OpenTechnical

OT-2026-000008154

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, vented after 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-2026-000008154) never changes.

Identity and time

Publication numberOT-2026-000008154 · never reused
Internal UUID01a0ae6a-908c-7d86-a1d1-fffa0fca4a10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008154
StatusPUBLIC

Content hashes

Canonical texta1047ca150cebf02835919d84148b3c3891862a1ca3c7e101549ec0c3e1722ff
Markdown738952a8cd2f4468c41e2d77ffb42f14f2ec9e3638a26fab417b5c1d3a3dc89e
PDF
Publication page9cac4f65d5a5d4f693505bbdf3c309d7bc474e9d5bcce23ec60ae6a1f07484b7
Manifest817b38618633a2795f6e2bf36b388773dbd82d64e1fdd18dc231e3499ba16b9d

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
SignatureD+NYcLcqNe9q/3zNh8f7dhSMvkhpuczm3TtlMK3xFrevKObsR/5sKuvRD3DJcZH+UVPHSLPcDNcP1aWxRcHeAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:30.732960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008154
observed 9cac4f65d5a5d4f693505bbdf3c309d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:30.708969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008154/manifest.json
observed 817b38618633a2795f6e2bf36b388773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:30.687554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008154/publication.md
observed 738952a8cd2f4468c41e2d77ffb42f14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:30.666420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008154/publication.txt
observed a1047ca150cebf02835919d84148b3c3...
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.