OpenTechnical

OT-2026-000055917

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line 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-2026-000055917) never changes.

Identity and time

Publication numberOT-2026-000055917 · never reused
Internal UUID01a0ae87-0a4a-7664-992c-a45d49289a5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055917
StatusPUBLIC

Content hashes

Canonical textb6b5d8f2a23864af195922ad9ced6e20ace7531056f23cbb4418d2b8edb8e009
Markdown5ea7894d43014f44592102eabaea5a0933cc20c60e29ff35cc37b4ecd4d33be5
PDF
Publication pageb88c3b362d976163359f2967c99bfd84ff241f657430fee8014d223e36c5437c
Manifest31a67316b3b2de5a63ac6e223f06c6ef8b12774732569112f5f83a3fd210479a

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
Signature0ug1dI4hvPDhyyWF2nYT0klCWG/1jRBWsWsNGX/GB3l8BWHbRJ6V1BIVRhZBG/wiMO/aAfNrKVoFL1GlfO06Bg==
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

2026-09-17T10:51:25.428469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055917
observed b88c3b362d976163359f2967c99bfd84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:25.411544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055917/manifest.json
observed 31a67316b3b2de5a63ac6e223f06c6ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:25.393802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055917/publication.md
observed 5ea7894d43014f44592102eabaea5a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:25.375376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055917/publication.txt
observed b6b5d8f2a23864af195922ad9ced6e20...
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.