OpenTechnical

OT-2026-000027524

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000027524) never changes.

Identity and time

Publication numberOT-2026-000027524 · never reused
Internal UUID01a0ae72-6998-79fa-b002-4b1710c89da6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027524
StatusPUBLIC

Content hashes

Canonical texte9e9abe6ba1a1bc6f7fcbee577383d59185c7d090faad56c89f1fe2f55df2789
Markdowne78189cc577c92df8d9fe42b8d216e7ad6f6f7f942d757589e64b2755471432f
PDF
Publication page92d2b3bf4490b12dc7c12310f55b198cda2e2e4b48d3828c2baea0103cf3482c
Manifestd76633118390c4de0f761055919377313d7a47580c74c52b4d4889c2faee7487

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
SignatureJ6P0qAtt9qGow6PLMpcPU73/7gtbT0vJmDo4iJ2WCnuWQulo0vdkG9NZBN33Xp+RfRfFWwimKfpNZ8zrCY4sDQ==
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

2026-09-17T11:43:00.284381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027524
observed 92d2b3bf4490b12dc7c12310f55b198c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:00.266536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027524/manifest.json
observed d76633118390c4de0f76105591937731...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:00.247523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027524/publication.md
observed e78189cc577c92df8d9fe42b8d216e7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:00.227778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027524/publication.txt
observed e9e9abe6ba1a1bc6f7fcbee577383d59...
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.