OpenTechnical

OT-2026-000072771

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four 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-2026-000072771) never changes.

Identity and time

Publication numberOT-2026-000072771 · never reused
Internal UUID01a0ae92-89da-725d-9ee1-be8f499a9ae6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072771
StatusPUBLIC

Content hashes

Canonical textae82ae0dad5453c8326dd1e71dee92863b0959fba250c69be7c9b18e2e926808
Markdownd3b5b97a39c330c7e1759872e817bc280b58d172adb9dd03168cf2a4f2bf2d7d
PDF
Publication page32520fa2b9bd9f4cdfa81d852b6d697707c69bd55fff6d7b0932170535ed7e6a
Manifest1faaec46966106307bf0bde2b74d9385f53ad0d142cca8c3b2c6356fbbcd1d63

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
SignatureQSOvuL2uhVKSp+baL0VRJ2bcp7nZZAzP7AtCXm0l9YrN+p3g0pVvh2tho0KntrLuDve0oW79Wd4zaJp4HJ/5Cg==
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

2026-09-17T10:22:40.910818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072771
observed 32520fa2b9bd9f4cdfa81d852b6d6977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:40.893858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072771/manifest.json
observed 1faaec46966106307bf0bde2b74d9385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:40.875448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072771/publication.md
observed d3b5b97a39c330c7e1759872e817bc28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:40.857543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072771/publication.txt
observed ae82ae0dad5453c8326dd1e71dee9286...
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.