OpenTechnical

OT-2026-000072177

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000072177) never changes.

Identity and time

Publication numberOT-2026-000072177 · never reused
Internal UUID01a0ae92-47c2-775a-83f2-fc557e62e6dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072177
StatusPUBLIC

Content hashes

Canonical text440b17b843da7fcfbe75910354877f11f230303049b5e6cea1b300fb9294c2a3
Markdown0f77fdb170f1d35aa16f7ccb558e4795c6727b90056993458e0fc03b2e75d81d
PDF
Publication pagebdace122f4967effbc8675a57f3bfd04ac9eabc36563db9a9c4e3b0ccc84bf99
Manifest381e4de39a03121712d63b11e509a4acdcb4ff2e213a824b4b6e80fea6b145e5

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
SignaturebiJ2nRKkgZAcsuPUPyJpjyxDuncxCoS3GVXwhIQ+uxaT7mf6161R0IWmznCgTnSZW17luycwcwbnkrnyFuVaDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:16.494652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072177
observed bdace122f4967effbc8675a57f3bfd04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:16.478284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072177/manifest.json
observed 381e4de39a03121712d63b11e509a4ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:16.461611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072177/publication.md
observed 0f77fdb170f1d35aa16f7ccb558e4795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:16.444309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072177/publication.txt
observed 440b17b843da7fcfbe75910354877f11...
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.