OpenTechnical

OT-2026-000008747

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000008747) never changes.

Identity and time

Publication numberOT-2026-000008747 · never reused
Internal UUID01a0ae6a-e46c-7beb-84f2-25e7bed66454 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008747
StatusPUBLIC

Content hashes

Canonical text304eddc5e70d493f5f227a512a81e2d6678a949e8aa34c2cf5ee4b7583cb0d7d
Markdown03e3397431bca39c2ed7a65b3ad7c2342d485bd446636cfa4e7be1ec8cb9e2bd
PDF
Publication pageb6bf4dfecaec83376617f19e95edbcfcab874dbfc7502b8e44d277c60bd2222e
Manifestfd21144e18f7718c80fc42707de27402be87800d2e0489666012e8b3186dbad7

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
SignaturepXoeEfJjzB+aYDytGDiQ98wZO+tlFx4eVSgE6Tj2qUs/2/owgxKNLdOTC4ppxoWub4kdDw8qAr2Lu2bDbkffAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:50.515211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008747
observed b6bf4dfecaec83376617f19e95edbcfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:50.494185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008747/manifest.json
observed fd21144e18f7718c80fc42707de27402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:50.472937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008747/publication.md
observed 03e3397431bca39c2ed7a65b3ad7c234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:50.454460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008747/publication.txt
observed 304eddc5e70d493f5f227a512a81e2d6...
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.