OpenTechnical

OT-2026-000077676

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000077676) never changes.

Identity and time

Publication numberOT-2026-000077676 · never reused
Internal UUID01a0ae95-2ecf-7cde-978f-403e1cdaddaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077676
StatusPUBLIC

Content hashes

Canonical textcdd9974ccf39e568b9c8f4596160cba68147b02a2360438141ba35dd6c219a23
Markdown2014b6392a2544495a1f3ebcce4bf151b7f8f7be4ae3abcfeeff40630bcd5e5a
PDF
Publication pagebec8cf9fb488dea960a8b4865eff8abdffd6ecdfca7333b45efdbfb6efa3e677
Manifest9fb675fd23e0bcc4c4466fb873fa112c0a31f344491a5e85cd017685ac0776a4

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
SignatureUEkA+QyeEwxNGjxZsNqMkMQvq7cvtl8tS0PZasSXogviOydrJmK2aCStOX/us64wG8KKPQfMNA3uRyTcrWmYAg==
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

2026-09-30T00:41:02.939010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077676
observed bec8cf9fb488dea960a8b4865eff8abd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T00:41:02.883849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077676/manifest.json
observed 9fb675fd23e0bcc4c4466fb873fa112c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T00:41:02.813742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077676/publication.md
observed 2014b6392a2544495a1f3ebcce4bf151...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T00:41:02.547377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077676/publication.txt
observed cdd9974ccf39e568b9c8f4596160cba6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:07:14.828579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077676
observed bec8cf9fb488dea960a8b4865eff8abd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:14.808782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077676/manifest.json
observed 9fb675fd23e0bcc4c4466fb873fa112c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:14.790854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077676/publication.md
observed 2014b6392a2544495a1f3ebcce4bf151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:14.772957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077676/publication.txt
observed cdd9974ccf39e568b9c8f4596160cba6...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent