OpenTechnical

OT-2026-000055638

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000055638) never changes.

Identity and time

Publication numberOT-2026-000055638 · never reused
Internal UUID01a0ae86-a103-7bfe-bbf7-d3dcf1c7b9c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055638
StatusPUBLIC

Content hashes

Canonical text767234dd6f3ba1bbc2a3253a516a9ea06df30898a1a5940d5900b76187ed19b6
Markdown7a08b7f3a0800f9f45afd3cfe6fc9b64e85dcd63fe78a9d1690ab03bbe860a33
PDF
Publication paged19a9064cbd63d5e8e833351345b8ad54771febb33c26674f19c963187956137
Manifestc4552fc389ad8b067cac80c1c39cd3ebd19e97cc0a68b46584d02600ded0b9c5

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
SignaturebK0Yk+lGat9E8WtrYjwBXpi6N1MLFG7lWLDKzAQoj59qVgryEDDjy4mF8pNHNURok8sk0YNQ1IaUyq+JTP09CA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:53.434387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055638
observed d19a9064cbd63d5e8e833351345b8ad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:53.413972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055638/manifest.json
observed c4552fc389ad8b067cac80c1c39cd3eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:53.395570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055638/publication.md
observed 7a08b7f3a0800f9f45afd3cfe6fc9b64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:53.375706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055638/publication.txt
observed 767234dd6f3ba1bbc2a3253a516a9ea0...
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.