OpenTechnical

OT-2026-000073757

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, manifold 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-2026-000073757) never changes.

Identity and time

Publication numberOT-2026-000073757 · never reused
Internal UUID01a0ae93-2b8d-709e-9e32-0b921fbde883 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073757
StatusPUBLIC

Content hashes

Canonical text7258a5c32e1ec3ace2d0f429989cd1e22bb7e91a37cd1f60e8259f1aa93eac6a
Markdown956d1e8a3fdc07d639d3183856ea2eb6c33f6a7c4570fce84217e4cc5586f8b9
PDF
Publication page9cc64718d1934ea3d277196fdc31a75cb1d065d98787e12645a69b109b5e069d
Manifestb625e473be2a6dcb383afa106c65f486671dfed3ae2650c75e22a42b8a7a8b99

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
SignatureHx1x+7e1emR/8LOuK48vSvjd06p9iBtK08EXFBizZ5tFOFfbmOApB4Lrp7NTM6x+fMuX3UFsqB08z8ivyh/tDg==
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

2026-09-17T10:19:50.949046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073757
observed 9cc64718d1934ea3d277196fdc31a75c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:50.929298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073757/manifest.json
observed b625e473be2a6dcb383afa106c65f486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:50.909917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073757/publication.md
observed 956d1e8a3fdc07d639d3183856ea2eb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:50.889440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073757/publication.txt
observed 7258a5c32e1ec3ace2d0f429989cd1e2...
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.