OpenTechnical

OT-2026-000082280

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000082280) never changes.

Identity and time

Publication numberOT-2026-000082280 · never reused
Internal UUID01a0ae97-4d94-77bc-837d-d7d1ba8a320d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082280
StatusPUBLIC

Content hashes

Canonical texte762971581f1a135275836c9b0b47347f05b4b692b022e20eaf1bc72ae039726
Markdownf82d4fb7c6b65d9a3d6c6ffc8d227908a5afe46164592376ecdc71fcb67185de
PDF
Publication page0989a7345d2f4100be5d6fbaf8f36c7432859edb6c7a9c3e5d1731c8a6e58da0
Manifest778642b80690834aac1507e6df185286e4ffba4a68a58122db2a9dcd0e3eccfe

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
Signatureop2n4VJs8mg90CyVP8XicBTbj2YrUPa9mUEdDtlMdAfVpfn9DXZ07/5jAXEFWagFOZbfu3vdateaxZpRUcTABQ==
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

2026-09-17T09:59:08.242556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082280
observed 0989a7345d2f4100be5d6fbaf8f36c74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:08.224555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082280/manifest.json
observed 778642b80690834aac1507e6df185286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:08.208951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082280/publication.md
observed f82d4fb7c6b65d9a3d6c6ffc8d227908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:08.190843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082280/publication.txt
observed e762971581f1a135275836c9b0b47347...
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.