OpenTechnical

OT-2026-000057440

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000057440) never changes.

Identity and time

Publication numberOT-2026-000057440 · never reused
Internal UUID01a0ae87-d5c7-7735-b30c-ce91190e4a2f · 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-2026-000057440
StatusPUBLIC

Content hashes

Canonical text00559cbdda7250642a4a6b375128044345e564946806245f13aa1d8c88450d4f
Markdown9822ae68da8bc866664dab1356a0748e8d894d6bc9b1cdc1ec329a7c5ef87037
PDF
Publication page74c178658a5a3f58f423b3dcd8aa8b976c9b2b0a11496af90487f8638503603b
Manifestd6e06c397fb065693787cfd08584ae2a29560586cf5a516272adf8bcb28bd612

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
Signaturep5XtF8bfqtbr7qYjd7B5z2CSphchIm0kBM3I2pXhRPZDPPF6p1JzbY9uITOiWdjig9fHWcwA5lMEvjkW1oMmAg==
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

2026-09-17T10:50:26.529867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057440
observed 74c178658a5a3f58f423b3dcd8aa8b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:26.511597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057440/manifest.json
observed d6e06c397fb065693787cfd08584ae2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:26.489135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057440/publication.md
observed 9822ae68da8bc866664dab1356a0748e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:26.466217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057440/publication.txt
observed 00559cbdda7250642a4a6b3751280443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:35.777668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057440
observed 74c178658a5a3f58f423b3dcd8aa8b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:35.758811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057440/manifest.json
observed d6e06c397fb065693787cfd08584ae2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:35.735289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057440/publication.md
observed 9822ae68da8bc866664dab1356a0748e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:35.714071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057440/publication.txt
observed 00559cbdda7250642a4a6b3751280443...
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.