OpenTechnical

OT-2026-000053640

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000053640) never changes.

Identity and time

Publication numberOT-2026-000053640 · never reused
Internal UUID01a0ae85-0a95-7b45-bea3-b67b45b6e466 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053640
StatusPUBLIC

Content hashes

Canonical text7162d23f02132daa4dc98c9120881af0491a8708f8a31335ffcc34078f49c8f8
Markdown600ddc564f4063352acd4aba24d351849716ae2aa7557d2c3808064d85cae4cf
PDF
Publication page1b4f3cfb6d953d0c42abf6ce93be4a4026d38ebea86f0749c4598e6b4562dd43
Manifest56780bbc6e20ded9904dcc2a90b29e4a6273293333d5c35842839a2f23f84e4a

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
SignaturePz2HBYYLIWSo+VOad51Rp8Aeui9OyNvwaGi67P71tWGcqm4gCCPeAcEkjtkZt6X1wCjU3JGNXb9UP6tkPLmYDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:31.455492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053640
observed 1b4f3cfb6d953d0c42abf6ce93be4a40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:31.433904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053640/manifest.json
observed 56780bbc6e20ded9904dcc2a90b29e4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:31.414052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053640/publication.md
observed 600ddc564f4063352acd4aba24d35184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:31.395026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053640/publication.txt
observed 7162d23f02132daa4dc98c9120881af0...
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.