OpenTechnical

OT-2026-000068963

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000068963) never changes.

Identity and time

Publication numberOT-2026-000068963 · never reused
Internal UUID01a0ae90-6dcd-7867-bde4-07ec31d5f698 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068963
StatusPUBLIC

Content hashes

Canonical textfab390cef67b5e2ec1021252b7c495756e032b1a7314b92026522f5cce0f792b
Markdownff4afb9a552251bdb51b466c40ce73ce754fd2eac8875b2478962c5d8f20622c
PDF
Publication pageabe184492e9aa6a90f3556f2bd3a1fcf0b84fce563383cb3a238213fb08e536d
Manifest17df1b396fa1cee9d718b57cbc3892d58fe6ac05c031fdb28c351c880be84035

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
Signaturesk8TaBZ+7ou8sZ1Zdji6J4uLr8JT5J+/HyGhSrM4E7Za0smAptMOCh4qouc71w2vMbNmtfQ1GRlBzxQRZgFLCA==
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

2026-09-17T10:28:48.078649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068963
observed abe184492e9aa6a90f3556f2bd3a1fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:48.062498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068963/manifest.json
observed 17df1b396fa1cee9d718b57cbc3892d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:48.044817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068963/publication.md
observed ff4afb9a552251bdb51b466c40ce73ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:48.026905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068963/publication.txt
observed fab390cef67b5e2ec1021252b7c49575...
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.