OpenTechnical

OT-2026-000057955

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single 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-2026-000057955) never changes.

Identity and time

Publication numberOT-2026-000057955 · never reused
Internal UUID01a0ae88-6ed9-770e-8088-d6b80117d9d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057955
StatusPUBLIC

Content hashes

Canonical text60333ce00183d466a9a324ee5e984a4c595eeff78d149ebe7be0ff9bcb3a5d45
Markdowna1cb7d15829f5fc1413963e025ab812d8b0859c6752a75fdf219fb3a3fdfd8ec
PDF
Publication pagefa4cb3408bbba1b96495a354b62e330ba8bb8d00fc9f4c66b756c83b587cd8aa
Manifestfa0e9a990226493c8959c4e2044b7c1ece53038be5cd9835f612ccf92911a635

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
Signature/Tq/0jwPVl1FqGlgkkCbM9787R0i/qFCEm2byJyEeA87Ab1Ue7D5yihRgCUBFXAiqTHyl/ySbtVfcZdjNUXHDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:34.386836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057955
observed fa4cb3408bbba1b96495a354b62e330b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:34.369904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057955/manifest.json
observed fa0e9a990226493c8959c4e2044b7c1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:34.352558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057955/publication.md
observed a1cb7d15829f5fc1413963e025ab812d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:34.332655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057955/publication.txt
observed 60333ce00183d466a9a324ee5e984a4c...
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.