OpenTechnical

OT-2026-000073408

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000073408) never changes.

Identity and time

Publication numberOT-2026-000073408 · never reused
Internal UUID01a0ae92-efb8-70ce-9172-ffe13e0f2485 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073408
StatusPUBLIC

Content hashes

Canonical text2a8b187c9b582bf8014ab9b9777bf69191583654055c9abccfe2bb13ae4657d9
Markdown6d6f8b1341c08e5e25a32a7795e858ed1bc39ee3e6646da35ce03ca2162853f6
PDF
Publication pagee895074be2ce9527194e5d97fdb62ef251e59cedfe9babebbfbca58e7f968824
Manifestb6ae10cdd341a9fee0a0881d4266e71e0492cd3c7bc08ffa250c209fe45ceeb0

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
SignaturevfX9zD17+xWAVtyUy4plDZ7Fw6GwzHet6j8Z92kslV/CJ2rwZxlA8SDT79Ltr3Mmu8mzHgu6cI2bzPOeDTmNAg==
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

2026-09-17T10:21:27.269588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073408
observed e895074be2ce9527194e5d97fdb62ef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:27.251082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073408/manifest.json
observed b6ae10cdd341a9fee0a0881d4266e71e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:27.232719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073408/publication.md
observed 6d6f8b1341c08e5e25a32a7795e858ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:27.213158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073408/publication.txt
observed 2a8b187c9b582bf8014ab9b9777bf691...
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.