OpenTechnical

OT-2026-000008239

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three 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-2026-000008239) never changes.

Identity and time

Publication numberOT-2026-000008239 · never reused
Internal UUID01a0ae6a-908d-7dae-9dac-bb976d867e2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008239
StatusPUBLIC

Content hashes

Canonical textb18beaa16c2b3fd199e0e0e65971c699fe008d97f09ca91145d136f4c57bb938
Markdown5dd609e99d469d32eabbf740084f1e875956619c5b600148634a7addcdfe3a60
PDF
Publication pagefdbd122f4938aa25cc2866e9ec55e28df43964dd42c57aa69d3336f5c7dd4305
Manifest5b29e37f33cbe14e2e6eb221d8f6398d9fd218bba1b9b60ac23f3cac432d5358

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
SignatureKHBE1R48pWWma1HkFt5sPF/8OZZuJyGAqWsQb2SnvDoC9NyCP372LpdwbynFQrvRRadmyppBuIUTtWqBoqAgCw==
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

2026-09-17T12:20:39.792657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008239
observed fdbd122f4938aa25cc2866e9ec55e28d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:39.768611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008239/manifest.json
observed 5b29e37f33cbe14e2e6eb221d8f6398d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:39.750524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008239/publication.md
observed 5dd609e99d469d32eabbf740084f1e87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:39.732405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008239/publication.txt
observed b18beaa16c2b3fd199e0e0e65971c699...
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.