OpenTechnical

OT-2026-000060891

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000060891) never changes.

Identity and time

Publication numberOT-2026-000060891 · never reused
Internal UUID01a0ae8b-12f1-702d-9802-21b775c8a9f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060891
StatusPUBLIC

Content hashes

Canonical text640ed8702a1d9e8f965c89dbe0b1fa40bdc00a47bdd18e9c71fd55f3bb7e3379
Markdown44308bd45ba7cdffcc4f5f9b110814bba7c782c7874ca7d4f611137ffa360293
PDF
Publication page715104afdf0264deee3ef31611667ab47d0e280a84afdd910c03aab12da4f4d8
Manifestc2904fdd7cb39ac13d85b4b62737b50fb2b01f90042a5a48826d222214779e90

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
Signaturel41l5tgy6W4oj6SdfHnokXzmvUTWFD849QN2o6nKiZkPU1jbhKsrTrkOV062hteyXZLrETKnwdGFGuZl3IbjBg==
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

2026-09-17T10:41:37.648941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060891
observed 715104afdf0264deee3ef31611667ab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:37.629274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060891/manifest.json
observed c2904fdd7cb39ac13d85b4b62737b50f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:37.607250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060891/publication.md
observed 44308bd45ba7cdffcc4f5f9b110814bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:37.586274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060891/publication.txt
observed 640ed8702a1d9e8f965c89dbe0b1fa40...
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.