OpenTechnical

OT-2026-000007887

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented after 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-2026-000007887) never changes.

Identity and time

Publication numberOT-2026-000007887 · never reused
Internal UUID01a0ae6a-908a-7761-bf5a-36c6bc80caf6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007887
StatusPUBLIC

Content hashes

Canonical text8c388223a34cd1f060b88d474159f88721414004d20c39558818ab50c281803b
Markdown6577f88c66ac5780c827da2fecf25c0f5119200c8e00cbcbf54b3f8fc0ef96b8
PDF
Publication page7885f27e5fd5b63a4dd3a1437b6fbb6c0d61e2f695e40895a747f65d5206457a
Manifest487d3f86888b69fbc9eec16005e161f80bdeac937bf55dc5a082ffe8c4e7e33b

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
SignaturedOdeDjhYGq2p3DHnt6Shyjext62Jnh0Tw0bDnbkX1/E9JUU1ncdOikwLXuA+3CrHWrwUmv+AgxC/APjU3TQSAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:20.850803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007887
observed 7885f27e5fd5b63a4dd3a1437b6fbb6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.833342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007887/manifest.json
observed 487d3f86888b69fbc9eec16005e161f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.809940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007887/publication.md
observed 6577f88c66ac5780c827da2fecf25c0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.783256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007887/publication.txt
observed 8c388223a34cd1f060b88d474159f887...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:59.546840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007887
observed 7885f27e5fd5b63a4dd3a1437b6fbb6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:59.527180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007887/manifest.json
observed 487d3f86888b69fbc9eec16005e161f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:59.506774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007887/publication.md
observed 6577f88c66ac5780c827da2fecf25c0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:59.483030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007887/publication.txt
observed 8c388223a34cd1f060b88d474159f887...
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.