OpenTechnical

OT-2026-000084817

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, sustained blow-off before 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-2026-000084817) never changes.

Identity and time

Publication numberOT-2026-000084817 · never reused
Internal UUID01a0ae99-43b3-7811-89d5-7db971362811 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084817
StatusPUBLIC

Content hashes

Canonical textbf77e6efef953b985cadbe92058edcc4498e4b7f25771d33116905dc2fbb0dc4
Markdownd0168c3c90caac765aa702447250382be9150b97f6a70a06597c5f9327bc7b76
PDF
Publication pagef4516a722562a93828da9b6b68658061b14ba12db4e2ce70612f5931d0807cec
Manifestfc3101159b1857fc3ea3985f7f236077f9026271e61a0597522d97ca32240a2d

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
SignatureDejr90mJtLBr53iDvx7HullRxuA+5znfCYm5hpdoIkibg/52Z3wRRLoHCwUwdpC0c8BVUtlYK/Je883K4HSXBg==
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

2026-09-17T09:54:45.879953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084817
observed f4516a722562a93828da9b6b68658061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:45.862101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084817/manifest.json
observed fc3101159b1857fc3ea3985f7f236077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:45.842022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084817/publication.md
observed d0168c3c90caac765aa702447250382b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:45.823265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084817/publication.txt
observed bf77e6efef953b985cadbe92058edcc4...
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.