OpenTechnical

OT-2026-000073009

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line 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-2026-000073009) never changes.

Identity and time

Publication numberOT-2026-000073009 · never reused
Internal UUID01a0ae92-c815-72bf-84ac-ebcb130e4733 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073009
StatusPUBLIC

Content hashes

Canonical text2ce1101fc3949756f075ffefdb5c6d4c8df247634cfa21ef36d3a949d61e592b
Markdowndacf3c784806fa0b883e244a0d6699535f497eafe4485d15d0f505a5a424c606
PDF
Publication page91e2f26cf91d9902baadcefb4338a44354c63304fc408a8ca98ce337ccae77c3
Manifest709db976f08e165970c3734524c2031b32a23b18cab409ac570f12c9687bb12d

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
Signature8HvcEnN442mGktOYMLunEzWintpERJjgowTGbxay/aSO4u07219OetWwkWc4JPdhO3hBBZCtfi96hb0SraADAw==
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

2026-09-17T10:21:56.705438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073009
observed 91e2f26cf91d9902baadcefb4338a443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:56.688223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073009/manifest.json
observed 709db976f08e165970c3734524c2031b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:56.670905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073009/publication.md
observed dacf3c784806fa0b883e244a0d669953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:56.654370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073009/publication.txt
observed 2ce1101fc3949756f075ffefdb5c6d4c...
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.