OpenTechnical

OT-2026-000103284

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, pulsed blow-off 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-2026-000103284) never changes.

Identity and time

Publication numberOT-2026-000103284 · never reused
Internal UUID01a0aea4-be3f-7463-a434-40a21b31fa15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103284
StatusPUBLIC

Content hashes

Canonical texta3de0099a543f0dcf17e8d8e2a381afd02d2498517df12972afb4af9e7546fe9
Markdown74da49a6659a64335c4f47374ab40c49f6ea1bcad6dd4ba5ec77dd50d4eead2f
PDF
Publication pagedd76c8cdbcdfe79bbcb25eeff758fc171b30e6ef11a923bdf4c8844257156192
Manifestd010ccf63d20d770bb9be1e18c34eddb082310ed6810a9cd19960e73e9125791

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
Signature3lTF0NCjpIggr9W7WrmIPU5kHDF/5tT5a5TeLUojnCEBEWK8iE+U8VUG3zLNTGAx78OhMFI20K6VFbT+sHQNCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:31.661710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103284
observed dd76c8cdbcdfe79bbcb25eeff758fc17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:31.645088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103284/manifest.json
observed d010ccf63d20d770bb9be1e18c34eddb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:31.627862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103284/publication.md
observed 74da49a6659a64335c4f47374ab40c49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:31.608429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103284/publication.txt
observed a3de0099a543f0dcf17e8d8e2a381afd...
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.