OpenTechnical

OT-2026-000081003

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000081003) never changes.

Identity and time

Publication numberOT-2026-000081003 · never reused
Internal UUID01a0ae96-b976-7f34-a4c1-2d2b4807fddb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081003
StatusPUBLIC

Content hashes

Canonical text13a5b1d005ac5bc7436cc49917d22acc6f4d27c8ee9a8cd58564e0ba10d254c6
Markdownbc35f23eaa0f90f0a29610019e674b0f0918737eb78d92db8bc86e587eb3766d
PDF
Publication page6e88407b2621a51d5843296a7383827db0fe694a654c9f22dfe544802621df68
Manifestc8690b1313ce65a95c7ff145c72607a576db150e9c60735c69b6e77d21ca36f0

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
Signature71+92qeTgTCtRKuI0DFHDDTpAqdkJDu33ghMXa7yxmjix/Vy1syvRFG+/+O+wzvG9AnrxfTRWXsF6KDVV24ZBg==
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

2026-09-17T10:02:17.405196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081003
observed 6e88407b2621a51d5843296a7383827d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:17.388623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081003/manifest.json
observed c8690b1313ce65a95c7ff145c72607a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:17.371310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081003/publication.md
observed bc35f23eaa0f90f0a29610019e674b0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:17.355715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081003/publication.txt
observed 13a5b1d005ac5bc7436cc49917d22acc...
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.