OpenTechnical

OT-2026-000078159

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000078159) never changes.

Identity and time

Publication numberOT-2026-000078159 · never reused
Internal UUID01a0ae95-6e8c-74bf-9082-39a09b42f930 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078159
StatusPUBLIC

Content hashes

Canonical text98137ad27b5193b9ccc77814b71fb09db60f559183807260d5afb26db1894801
Markdown83fef7dde5398843a622b7c104a01c275db710218fbc417ad6a48fd10d6a59c2
PDF
Publication page6bcb9f1c46279e2b002104ec0bb3f4d3055a268dfb0ed4879fd03ca926b4e04b
Manifest108fa2916df8a2da335e11269b9bb7d88a89f1018591a02402fb3980d0348116

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
Signature16UzyqhEyxJEQ7L/Nurt1OLBT+JoBHG7gVr89zo8kTtR1L4w3LORmGRsXBcgh73gpTwU4WmjixczOGNe7Q8iAw==
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

2026-09-17T10:06:52.494185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078159
observed 6bcb9f1c46279e2b002104ec0bb3f4d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:52.473839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078159/manifest.json
observed 108fa2916df8a2da335e11269b9bb7d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:52.451522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078159/publication.md
observed 83fef7dde5398843a622b7c104a01c27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:52.433649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078159/publication.txt
observed 98137ad27b5193b9ccc77814b71fb09d...
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.