OpenTechnical

OT-2026-000053499

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, 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-2026-000053499) never changes.

Identity and time

Publication numberOT-2026-000053499 · never reused
Internal UUID01a0ae85-0a92-7538-9adc-cb3a5b4682e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053499
StatusPUBLIC

Content hashes

Canonical text5b7394cb21a0321908c1ca3900dcfa29b32e2606528dec7a74d31738577351c6
Markdown272ccb92ca78b45f7e169327a2d59fce0daca1e13b131a3214203a86fdd3a229
PDF
Publication page0e5c7304732a54442b13d3e74bf8529f7f1ba31658deebbfeb00d116778f2701
Manifest080e4031e1eb16b09f53814ae79194ab6654c22808084ef83f6bdb3986a4f7c1

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
Signaturezwc+Ju/Kzr+NfeaE1Z3csle366YNpRNSYLdCZBK/jfIOfC57Vlt2yAcvgP3/rKxZvtoqx7waCEE1o/DIdkugBQ==
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

2026-09-17T10:55:20.441686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053499
observed 0e5c7304732a54442b13d3e74bf8529f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:20.423900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053499/manifest.json
observed 080e4031e1eb16b09f53814ae79194ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:20.404525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053499/publication.md
observed 272ccb92ca78b45f7e169327a2d59fce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:20.385740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053499/publication.txt
observed 5b7394cb21a0321908c1ca3900dcfa29...
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.