OpenTechnical

OT-2026-000050854

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, vented 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-2026-000050854) never changes.

Identity and time

Publication numberOT-2026-000050854 · never reused
Internal UUID01a0ae82-c7b2-77f2-a230-19f29148505d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050854
StatusPUBLIC

Content hashes

Canonical textef381351d6509ccdb048d432bd74b92178045c92ae33214b63d0de5868c3737e
Markdownc76b8a7e5db68bd6c3eb0b919191e14cd455420aaef2068d7bce9bff4e43349e
PDF
Publication pagea4753b5d0ff171d6a1b9dc4425ced962e32f6b82a3e18915d9f851b850f28fcd
Manifestda222e14a90a04dbbd4d80abe15e1452e90563a6b228a9b484e9ce6dfaa4d4a7

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
SignaturethGtS/iXaY8OnN/nnE7P/w3q29pdVRX5D3egSxcru7ulZT8Ka20Zas9iQAFq6ilB4ARbhv6v3AYQnPZgXiBtCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:00:25.689177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050854
observed a4753b5d0ff171d6a1b9dc4425ced962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.686211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050854
observed a4753b5d0ff171d6a1b9dc4425ced962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.664212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050854/manifest.json
observed da222e14a90a04dbbd4d80abe15e1452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.664080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050854/manifest.json
observed da222e14a90a04dbbd4d80abe15e1452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.644967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050854/publication.md
observed c76b8a7e5db68bd6c3eb0b919191e14c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.640777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050854/publication.md
observed c76b8a7e5db68bd6c3eb0b919191e14c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.622801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050854/publication.txt
observed ef381351d6509ccdb048d432bd74b921...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.615965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050854/publication.txt
observed ef381351d6509ccdb048d432bd74b921...
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.