OpenTechnical

OT-2026-000081281

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, sustained blow-off before set-down

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-2026-000081281) never changes.

Identity and time

Publication numberOT-2026-000081281 · never reused
Internal UUID01a0ae96-f374-79f5-bb9d-8970ee7f51e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081281
StatusPUBLIC

Content hashes

Canonical text3d7228a0284c49212359311ae8be8857b9739a32213f522572a07b3e81be62e4
Markdownf31a1d96a6ab0d028fb14920180b2693d690a3a08a044993a3a6c96d5f07d881
PDF
Publication page7617f91c63b3be05fb70c24013546df7e3b3385fc40390688d9790c5e3b37bf4
Manifestde5babfb786e4d785e54e8154fb296aba3e3c61468a9bf203dadfd750e4a6f61

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
Signature9enXOOwroICksr1yJNyWNAg46ZqZ1VtzSWkpS969wfvSi0rK2Sm7WJOd34YwCMBeajAJqzgRK4aJvVUj3Yt9CA==
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

2026-09-17T10:01:23.133496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081281
observed 7617f91c63b3be05fb70c24013546df7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:23.113351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081281/manifest.json
observed de5babfb786e4d785e54e8154fb296ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:23.091968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081281/publication.md
observed f31a1d96a6ab0d028fb14920180b2693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:23.073642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081281/publication.txt
observed 3d7228a0284c49212359311ae8be8857...
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.