OpenTechnical

OT-2026-000019937

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000019937) never changes.

Identity and time

Publication numberOT-2026-000019937 · never reused
Internal UUID01a0ae6f-1fb7-7f50-899c-aa639dc738f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019937
StatusPUBLIC

Content hashes

Canonical text31aee3f30ed11f9dec4d4b12f7497e2f88feecb2682bbd0c8eb369724dea1b48
Markdown5f23b992645dbf748a6417492ab196b9d6aa2eaf05691e0960f3c718254cc232
PDF
Publication page2520de7a14083cb9235c113e74e986e95394f55fbb7548021e193c8410ed13f0
Manifest98ebc6199143056b89e32fce497e7a1db8ba4bde776a40a43599b304a40f7dbd

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
Signature/iwk5+frWXWDDkFmXhQtS9vVI5/HYQ9/G96o2yLZ4bM4tQN0wyiEDYNVofAigSxgvRchsPE8q/D2FxdQY/tOBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:58:09.829420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019937
observed 2520de7a14083cb9235c113e74e986e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:09.811263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019937/manifest.json
observed 98ebc6199143056b89e32fce497e7a1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:09.794356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019937/publication.md
observed 5f23b992645dbf748a6417492ab196b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:09.774055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019937/publication.txt
observed 31aee3f30ed11f9dec4d4b12f7497e2f...
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.