OpenTechnical

OT-2026-000032262

Publication integrity record

Foam pad vacuum gripper, pump fed, pulsed blow-off 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-2026-000032262) never changes.

Identity and time

Publication numberOT-2026-000032262 · never reused
Internal UUID01a0ae74-f7a8-7cba-89f0-4964c7da99ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032262
StatusPUBLIC

Content hashes

Canonical text2bb61c6d4054c84e5a01c6366a673dc13a1bc350e8032451b1f200cf1173653e
Markdowndb99ed46e219babc7aeb8bed9cd7d2d32064db24a2b158cb39f9b77df8449f41
PDF
Publication page3e1e8d49c3a0dec17ae9d1c1fc67ef4507ba6dcba659161a441f075b368b7776
Manifest10b93e39e36d275e3528f01577ae8dfefcaa19f094f794bc53e8aff67b76546f

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
SignatureHuN0f4Lr2pMd4DuCi6nWLax4ZfAzthBoKr6lbqX7T/koQrjQk4LkQOG6fWBCcjshGolTUFENwHmgXFTFPlVmCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:37.361616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032262
observed 3e1e8d49c3a0dec17ae9d1c1fc67ef45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:37.342623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032262/manifest.json
observed 10b93e39e36d275e3528f01577ae8dfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:37.323039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032262/publication.md
observed db99ed46e219babc7aeb8bed9cd7d2d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:37.305160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032262/publication.txt
observed 2bb61c6d4054c84e5a01c6366a673dc1...
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.