OpenTechnical

OT-2026-000027567

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, pulsed 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-2026-000027567) never changes.

Identity and time

Publication numberOT-2026-000027567 · never reused
Internal UUID01a0ae72-6999-73e8-b3ae-d9365116d7ec · 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-2026-000027567
StatusPUBLIC

Content hashes

Canonical text009c34bc68f5a4b4a74fe278a40d6f8eed0d6ee1602d1a8524d592e35f7e62b1
Markdown7b87009ed8b62a5a23dd837b9a5ab2059d067269e12a2af7e90e4f1b3ae6ca64
PDF
Publication page8fe9f5dfd8257775a2a3afa6abd404cda3632e9cd6058dd2bbed2c37073e9a29
Manifestf4d2132e76042c0a46bfcee1e364d800a23d6cd23e77ab8fe49fc73229114f1b

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
Signaturedx9Dg9TCQzTpPTuxXTEMLdWkGLEiXHgz1K4Q6UD1hZ72fmk4Dc5PO0w3KyhtDNJ26mELRe/75NZSMy5l08MhAQ==
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

2026-09-17T11:43:03.508870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027567
observed 8fe9f5dfd8257775a2a3afa6abd404cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:03.490980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027567/manifest.json
observed f4d2132e76042c0a46bfcee1e364d800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:03.471149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027567/publication.md
observed 7b87009ed8b62a5a23dd837b9a5ab205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:03.453857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027567/publication.txt
observed 009c34bc68f5a4b4a74fe278a40d6f8e...
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.