OpenTechnical

OT-2026-000008379

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, vented after 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-2026-000008379) never changes.

Identity and time

Publication numberOT-2026-000008379 · never reused
Internal UUID01a0ae6a-e469-7890-bfdb-d5fc2fd275a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008379
StatusPUBLIC

Content hashes

Canonical text70ef128bdb39794de13b1e11de56b7e8ea2892a59ffd17c4a8b1792a9b488051
Markdownea2b0f3c1fc7cb1e06cd28d1df85201a83efab8266a7fbfe2265023f803df3e4
PDF
Publication pagebc5fffb8911a36c19400ad0562616c56f4d7bc17cf32baede0a69bc27861308e
Manifest9765cc3c06df380af45fc7ca7b05ce142e1fe3aa1f457ce450faab3bee6941de

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
Signature46BRnA5HR9ypW0N10wiyL0DR6uTE3mqEDmeWjHVD784vohGqcwIB+576ZWoQM1FoBP5bg0XqSheM5C7zJBkwBg==
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

2026-09-17T12:18:12.554560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008379
observed bc5fffb8911a36c19400ad0562616c56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:12.532987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008379/manifest.json
observed 9765cc3c06df380af45fc7ca7b05ce14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:12.511087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008379/publication.md
observed ea2b0f3c1fc7cb1e06cd28d1df85201a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:12.493393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008379/publication.txt
observed 70ef128bdb39794de13b1e11de56b7e8...
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.