OpenTechnical

OT-2026-000071664

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, vented 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-2026-000071664) never changes.

Identity and time

Publication numberOT-2026-000071664 · never reused
Internal UUID01a0ae92-1e91-7150-bb43-584cf60e38a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071664
StatusPUBLIC

Content hashes

Canonical texted1df9dae9e45ba5fa3000dbc149bfcf405cd2213af81004d04c4e76a7e5434f
Markdown2acd508e51f43c82288a1f8d84d369ff694ec985475526f08b7b30e466970c67
PDF
Publication page0d63b3264f58bfb0b0a9ab01baad13a7d7b9cedb42d9c3f5839f9a592d2e7c30
Manifest695cd8a8b9963a4b41468109acb854dd2da1c16cb6be393854f1b417126eeb6e

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
Signaturei4+ocr+NrZSPKTjcWYx6ezLPB3uDmwtY4jDfoiDJGEfIrxd/FdC1VfX4plwF2QI9lM+ts73UVuAhe0LfAoYGCA==
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

2026-09-17T10:23:41.820551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071664
observed 0d63b3264f58bfb0b0a9ab01baad13a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:41.803791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071664/manifest.json
observed 695cd8a8b9963a4b41468109acb854dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:41.787748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071664/publication.md
observed 2acd508e51f43c82288a1f8d84d369ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:41.771963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071664/publication.txt
observed ed1df9dae9e45ba5fa3000dbc149bfcf...
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.