OpenTechnical

OT-2026-000073137

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single 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-2026-000073137) never changes.

Identity and time

Publication numberOT-2026-000073137 · never reused
Internal UUID01a0ae92-efb6-7df2-bf92-67edd6d2e583 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073137
StatusPUBLIC

Content hashes

Canonical text40f90e78314d0b55bdd5d9b1a34bc8483fe29de690c11ef96b9a3f8db90fcd95
Markdownfded47fcff8fa9f1836ce9864bd48510709f38870070c4b07c98b86526e04c39
PDF
Publication page07b0352da1d213fe58a66bffa8b06a689986d13f8b418baf0821a7c465acd875
Manifestbe8db3566f2066b55502c0263217168d481a9dcad88dd8bf0b08ea4474fdf1c5

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
Signature9PB19cP1i766Bit8yPvTCMcKtE1akrxL5CHMpySO96kAFNH4yExQdxovQpu5E6yimrwCzKQWWsgvsCFfIoMeAg==
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

2026-09-17T10:21:04.426843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073137
observed 07b0352da1d213fe58a66bffa8b06a68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.407781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073137/manifest.json
observed be8db3566f2066b55502c0263217168d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.385902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073137/publication.md
observed fded47fcff8fa9f1836ce9864bd48510...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.365388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073137/publication.txt
observed 40f90e78314d0b55bdd5d9b1a34bc848...
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.