OpenTechnical

OT-2026-000030296

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, sustained 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-2026-000030296) never changes.

Identity and time

Publication numberOT-2026-000030296 · never reused
Internal UUID01a0ae73-e501-7e3c-8a75-2c2ed3a66e16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030296
StatusPUBLIC

Content hashes

Canonical text1a5287805c38953e7ea3d287b4bc1a2b475cdf8dc24aa3b051c23dedccafe12b
Markdownda176d7e6d171152edae2530743887b799f37d011da8e7131d8e98920d098b9e
PDF
Publication page61a4c1d12b647a1718f4a9f26abd30b8ab03e0502bc1d9b1f3002e49988e02c2
Manifest548def5e9fb7dc2a4913ed5bf24ed4cf1859741c4eaee42d7ffbbb47ad3a9720

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
Signature0Vj1Y2FDHgh2HV2ilcMkOKwE2uk08QxxKTinTS90Nbt1r+A4JIKXLYcwiceUHg/uLEDvl5rHV4f0gqGQHjP5Cg==
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

2026-09-17T11:37:57.977686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030296
observed 61a4c1d12b647a1718f4a9f26abd30b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.960734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030296/manifest.json
observed 548def5e9fb7dc2a4913ed5bf24ed4cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.944235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030296/publication.md
observed da176d7e6d171152edae2530743887b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.925797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030296/publication.txt
observed 1a5287805c38953e7ea3d287b4bc1a2b...
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.