OpenTechnical

OT-2026-000009972

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, vented 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-2026-000009972) never changes.

Identity and time

Publication numberOT-2026-000009972 · never reused
Internal UUID01a0ae6b-cb79-7e6a-aefb-8883d5ce8333 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009972
StatusPUBLIC

Content hashes

Canonical text6ec7c57020409cdea4d45ad87841dcc5512e94b634cf3056772d25ebdefa2bd8
Markdown365bdd0421772a49a235608dd130354ddddce9d67defeb57853960ca3551aae8
PDF
Publication pagec6c98ee557a1369141fc033b48e5195184d4ed97b725e0d0e75017b1edcd7216
Manifest4be5f7682c17674dfb64f777dc8ca015469a2fd294a7834c794a76b014aa883e

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
SignatureRr0eTHfU4m1+oNlKFdrj73w/D/03igHrQ3yYgiJsxyQ/UtSy9k6eXtfN+HWwPTi3Qab1/9WBoVNhpenipSntCg==
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

2026-09-17T12:16:00.776384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009972
observed c6c98ee557a1369141fc033b48e51951...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:00.757546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009972/manifest.json
observed 4be5f7682c17674dfb64f777dc8ca015...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:00.736995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009972/publication.md
observed 365bdd0421772a49a235608dd130354d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:00.717015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009972/publication.txt
observed 6ec7c57020409cdea4d45ad87841dcc5...
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.