OpenTechnical

OT-2026-000072969

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000072969) never changes.

Identity and time

Publication numberOT-2026-000072969 · never reused
Internal UUID01a0ae92-c815-7266-8b01-9c163128403d · 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-2026-000072969
StatusPUBLIC

Content hashes

Canonical text307dc12e6b83fd66ccef3e4680cbafe9ca9f1a23e4a2ef387467b5e6ff3c25fa
Markdown492b23148449bf20db82a23bc678f310474178cf1ab651988891ec0067f5947c
PDF
Publication pagee7c9c255de40445e2d44f2dab42462015a0e6e9a235c1af0420eea1e90b79302
Manifest995804e860331b505efe48e902e3c8ae95a9c0e658ed50e93dbdd462e20137e2

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
SignatureQRC2ZXe7SGEIw+GEYXJXyxYr+v+1CqrjwAMt+2Ok8BMohJt8u1cDTK7aicALtmF7uar7U226AyMiaIDyZpT9Aw==
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

2026-09-17T10:21:53.743973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072969
observed e7c9c255de40445e2d44f2dab4246201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:53.724550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072969/manifest.json
observed 995804e860331b505efe48e902e3c8ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:53.707948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072969/publication.md
observed 492b23148449bf20db82a23bc678f310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:53.684964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072969/publication.txt
observed 307dc12e6b83fd66ccef3e4680cbafe9...
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.