OpenTechnical

OT-2026-000089656

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000089656) never changes.

Identity and time

Publication numberOT-2026-000089656 · never reused
Internal UUID01a0ae9c-1a22-79b5-ba7a-06d48e08bc5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089656
StatusPUBLIC

Content hashes

Canonical textd45b4160e55fecfc75383d42b17ea8e662330f21f9e377252627041d534e3842
Markdowndbff083046ac27c095d8ac0a14f0d0dfbe01e600147635d3414b3cf810f9349d
PDF
Publication pagee714f2a2c0014923434d6aae97cdd6449823a3392c277ecff5ac5bfff921b49d
Manifest4750a8447280259a2cd3c1091a43410a27b3f645a4e56e47ab101853a187002c

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/cFO/YWQ4MP3mzwD1Jis0j10sDripe3T5ApgbWK9in4HfGPfYEbBMAd7L58VcGnotNOfKXux7UjJK+GLW5l0AQ==
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

2026-09-17T09:46:38.898184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089656
observed e714f2a2c0014923434d6aae97cdd644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:38.879557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089656/manifest.json
observed 4750a8447280259a2cd3c1091a43410a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:38.860804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089656/publication.md
observed dbff083046ac27c095d8ac0a14f0d0df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:38.841950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089656/publication.txt
observed d45b4160e55fecfc75383d42b17ea8e6...
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.