OpenTechnical

OT-2026-000073753

Publication integrity record

Foam pad 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-2026-000073753) never changes.

Identity and time

Publication numberOT-2026-000073753 · never reused
Internal UUID01a0ae93-2b8d-77bc-933f-89c77bff9401 · 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-2026-000073753
StatusPUBLIC

Content hashes

Canonical text69d714d5b4b6bc60c03e494b53d54c3deae3308070b0e5342c04b6211f60b9df
Markdown20615e40c7c469e5769b243a2d67187595d5fe8ef408c21742b8ec76abffd8f7
PDF
Publication pageda198feeddef75f88d5e6d228ee96167baf965bd8a1cea34aaf072c24cd50ede
Manifestc52ec1c08b1d73e39d353b0ea62f9a710f79dd2d9cd95c5c28b989a61d82c4f9

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
Signaturertvmjtr0SwGx3iGt5nX/p1XePtBzYIlKxUXE+c5XcRkyXaWhzGCqG3Y6A4TGz9LDHo2/YllypfmR1dEhOwT2Dw==
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

2026-09-17T10:19:50.616426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073753
observed da198feeddef75f88d5e6d228ee96167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:50.595557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073753/manifest.json
observed c52ec1c08b1d73e39d353b0ea62f9a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:50.567105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073753/publication.md
observed 20615e40c7c469e5769b243a2d671875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:50.546617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073753/publication.txt
observed 69d714d5b4b6bc60c03e494b53d54c3d...
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.