OpenTechnical

OT-2026-000068372

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three 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-2026-000068372) never changes.

Identity and time

Publication numberOT-2026-000068372 · never reused
Internal UUID01a0ae90-2480-79fd-a606-ddcfd020acce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068372
StatusPUBLIC

Content hashes

Canonical textad4c172e0e6a8af2bf010c272fc74b94d32d6104bf4700a30ee302a72ba5a991
Markdown1001bc34ab1c7e9081a6c95432ae514854e644129820904849e4f4fd61be934a
PDF
Publication page363dea2cf0046b395f0d97dee7fefc50959e28d49d27b683686ded968f495cc0
Manifest8b3e89350ef39ccfe5afab30f4c3b31ce73d331ce2bc914199f7e3cd96e04e37

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
SignaturebkWRyAPVuHUeELa793DlUfbPvioWmCOOorxBJ/os5mYYzAklr95pVFBEdEaVsJ1VNAZumIckl+Mk1vm+Ad8PBA==
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

2026-09-17T10:29:25.427482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068372
observed 363dea2cf0046b395f0d97dee7fefc50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:25.411879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068372/manifest.json
observed 8b3e89350ef39ccfe5afab30f4c3b31c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:25.395773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068372/publication.md
observed 1001bc34ab1c7e9081a6c95432ae5148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:25.378971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068372/publication.txt
observed ad4c172e0e6a8af2bf010c272fc74b94...
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.