OpenTechnical

OT-2026-000082821

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, 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-2026-000082821) never changes.

Identity and time

Publication numberOT-2026-000082821 · never reused
Internal UUID01a0ae97-8cc9-75ff-92bc-ae01bcbcccee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082821
StatusPUBLIC

Content hashes

Canonical text38d5738ef217cb3bfb74ef3183e06e1700b57d36691ca55a1ad56ef707f23eb7
Markdown35f1c010e5f409738f46f418e2bc5ab1aa775dd34d77c46a502ea881774510f0
PDF
Publication pageea1ab8fc7baf7a67819005ae54184eb6a57e2084e50724237b444751d8beef98
Manifestfff75a9b5b103e2be2b3844fb2681998a58915d73593338eb9afe131eb509825

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
Signature2VJXhuFpVI5o4vjXmultTXAHafxweCcDmrWjLwk+HU4U9M1N5AlBKx/rKZCi6/OdasB3fzsSGMoQ4YN8V4MMDg==
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

2026-09-17T09:58:25.133708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082821
observed ea1ab8fc7baf7a67819005ae54184eb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:25.114979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082821/manifest.json
observed fff75a9b5b103e2be2b3844fb2681998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:25.096630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082821/publication.md
observed 35f1c010e5f409738f46f418e2bc5ab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:25.077499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082821/publication.txt
observed 38d5738ef217cb3bfb74ef3183e06e17...
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.