OpenTechnical

OT-2026-000031672

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000031672) never changes.

Identity and time

Publication numberOT-2026-000031672 · never reused
Internal UUID01a0ae74-bad0-720b-83e6-50b7d8caba4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031672
StatusPUBLIC

Content hashes

Canonical textfe9c39100caf05523d712e3c45b53c01972b4914a3cbbdd4bc6589057e0b8516
Markdown407369cf7ac1ce331bdc3f7977592715592c35f4d7c7928972d29dede05d4667
PDF
Publication page0e13b2cef3cd63774ad940d3a376d9bbe58ff327bec20fd0bc391c237b0afb92
Manifestd712516a31bcb06a06dc8530c342e7025809e2bf1ac3c0cdf5b13303df39487e

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
SignatureZDdH/kfFVqEazp5IilQPm5ZD7KP+CdRU9DtZO0ems92XWL+bJL7/WNQYx2s1C8/6ET3Hc6qfL3QJ9Uzg+syTCA==
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

2026-09-17T11:34:46.206297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031672
observed 0e13b2cef3cd63774ad940d3a376d9bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:46.186984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031672/manifest.json
observed d712516a31bcb06a06dc8530c342e702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:46.166903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031672/publication.md
observed 407369cf7ac1ce331bdc3f7977592715...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:46.143008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031672/publication.txt
observed fe9c39100caf05523d712e3c45b53c01...
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.