OpenTechnical

OT-2026-000057315

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057315) never changes.

Identity and time

Publication numberOT-2026-000057315 · never reused
Internal UUID01a0ae87-d5bc-734f-8d5f-631979f5115b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057315
StatusPUBLIC

Content hashes

Canonical text61e5941ce044226ee677f8ee1aa4c3f8b91ba50be86a4acdcacf0a3d179f218c
Markdown37470b328f5c46125ad3eb6d91f687b04b6e925e1602afc65497d7d3202d569f
PDF
Publication pageef957a551a3bd1e37b334b183747fa217d573a466438ca251f55425572ed645a
Manifest1b213d5aee1dec1999b9ec465c2f1bbf41c900f516961bd8d2d121390b2cca84

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureVoUM4z6WSEFaz86/gd1l4cXEkO0E+JOzjsQwB8MdkL9b1lG82tivbFJErjGrvqbb1mfF83ZaWdZLNQ8905FvAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:25.556777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057315
observed ef957a551a3bd1e37b334b183747fa21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.539387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057315/manifest.json
observed 1b213d5aee1dec1999b9ec465c2f1bbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.520827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057315/publication.md
observed 37470b328f5c46125ad3eb6d91f687b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.503771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057315/publication.txt
observed 61e5941ce044226ee677f8ee1aa4c3f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:34.838383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057315
observed ef957a551a3bd1e37b334b183747fa21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:34.819649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057315/manifest.json
observed 1b213d5aee1dec1999b9ec465c2f1bbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:34.800245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057315/publication.md
observed 37470b328f5c46125ad3eb6d91f687b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:34.782377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057315/publication.txt
observed 61e5941ce044226ee677f8ee1aa4c3f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.