OpenTechnical

OT-2026-000063475

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, manifold 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-2026-000063475) never changes.

Identity and time

Publication numberOT-2026-000063475 · never reused
Internal UUID01a0ae8c-f944-75ff-a229-ef88d879c9ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063475
StatusPUBLIC

Content hashes

Canonical texte83af8a4585f8474cb42c7a998e6b29166b2c8f2e331200aafdcdde968d49242
Markdown72a77258a7f8a65954638a380c68cc8778434e3e7948e62cc528623a5604504c
PDF
Publication page2644b3d7eb742c5658ab25e4b6cf8f22aa01b7e99a52beca66b8c6b922595c8e
Manifest40d903938e026b2805941fdd19005d14aafd85b2a2e8403b8c1b4f356d8b7958

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
Signaturek7Y8HnoVob2ToGtdZjcWJs/yt5SrjgNZGIQPyhysG+wlWlwfOh8oKU6dBU1TSFU4HE7Ebf64z1I7F0K1L6vYCg==
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

2026-09-17T10:37:26.736324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063475
observed 2644b3d7eb742c5658ab25e4b6cf8f22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:26.716359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063475/manifest.json
observed 40d903938e026b2805941fdd19005d14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:26.698640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063475/publication.md
observed 72a77258a7f8a65954638a380c68cc87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:26.679956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063475/publication.txt
observed e83af8a4585f8474cb42c7a998e6b291...
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.