OpenTechnical

OT-2026-000072751

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000072751) never changes.

Identity and time

Publication numberOT-2026-000072751 · never reused
Internal UUID01a0ae92-89da-7ec8-aff0-62c347c18532 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072751
StatusPUBLIC

Content hashes

Canonical textab4d212f343fb4c58f69b7d7134f5ffe56ac4a57fe6808fa4cd7af47528cf0a0
Markdown1be930ceb4f56e64ee651b0995e20a07f4d782188b5f9dc396fdae106878e245
PDF
Publication page120237daa81facefe7a9830f94fd6bef5c357e2adb7b1a09bb0b827b32d43054
Manifest07f6e169295503a271d4ed1e6b54f43763363af3d4e2f1009354562602f87695

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
Signaturexz4GoAwKtErHXx3/Wj22rizlt7nUlwCYPj+SuLDv5yIWJNyBzF89FBhI6k+6XGcBYm/b1FtMedgcPwVESr8jAA==
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

2026-09-17T10:22:39.485533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072751
observed 120237daa81facefe7a9830f94fd6bef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:39.468568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072751/manifest.json
observed 07f6e169295503a271d4ed1e6b54f437...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:39.449985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072751/publication.md
observed 1be930ceb4f56e64ee651b0995e20a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:39.430219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072751/publication.txt
observed ab4d212f343fb4c58f69b7d7134f5ffe...
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.