OpenTechnical

OT-2026-000051551

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000051551) never changes.

Identity and time

Publication numberOT-2026-000051551 · never reused
Internal UUID01a0ae83-7c81-767b-a886-40bf13abfa26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051551
StatusPUBLIC

Content hashes

Canonical text029fb8c9373a61d38ddce01b1a0183ec8aa8050c8aad883f68774a5f6074e42a
Markdowna922be3c6f12d60ff69eaad6f9ad0b124baca54dee7603aaf087e9904aa966e5
PDF
Publication page8f49121384fcc67ade92eb452cda0004151ebb51f7c7537cb53946a896ed1752
Manifest8c2335cfebe8d7e8ecb909f51ad50665e25efe680de845a8a62cefa2fd862e24

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
Signatures9QVzH5uO2DpcBddXyI6j6OsTmLfkvIuuvoGUAPPTZAi69gpHUtgAgp6XmzjTlxaQsmUfRVVN42OF/K7ThvNAA==
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

2026-09-17T10:58:23.080787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051551
observed 8f49121384fcc67ade92eb452cda0004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:23.063136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051551/manifest.json
observed 8c2335cfebe8d7e8ecb909f51ad50665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:23.045991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051551/publication.md
observed a922be3c6f12d60ff69eaad6f9ad0b12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:23.027206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051551/publication.txt
observed 029fb8c9373a61d38ddce01b1a0183ec...
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.