OpenTechnical

OT-2026-000061478

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum 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-2026-000061478) never changes.

Identity and time

Publication numberOT-2026-000061478 · never reused
Internal UUID01a0ae8b-7b43-71e3-aede-924cd89c6d28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061478
StatusPUBLIC

Content hashes

Canonical text8969dc043a72ba9c6b207e1586b3e96de319c97f66f47502f0c03dfef692cb0c
Markdownacc83ae403fca4399391d6b55e23a430313dfd3a31e2a6c13227cc32161e3b59
PDF
Publication pageb34ac29f65331a7d23ea06b62aa33e4aa55ca78e33743a2270a7c810e25034d4
Manifestc1a81acbc94f593d9f386d54f5dcb570e0b05822457ec14861765a37571171be

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
Signaturenc875IDYf0i+dGXKAzmvxRYDMt3Bp1X4WoLQUNQTwzUKNeQzjVK1fYmPKXU55Pbg1o5wRlYb+iSMTRjFNaEXBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:21.997789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061478
observed b34ac29f65331a7d23ea06b62aa33e4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:21.980811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061478/manifest.json
observed c1a81acbc94f593d9f386d54f5dcb570...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:21.963136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061478/publication.md
observed acc83ae403fca4399391d6b55e23a430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:21.945356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061478/publication.txt
observed 8969dc043a72ba9c6b207e1586b3e96d...
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.