OpenTechnical

OT-2026-000071201

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000071201) never changes.

Identity and time

Publication numberOT-2026-000071201 · never reused
Internal UUID01a0ae91-e0eb-7f6a-bd98-8f37a1170100 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071201
StatusPUBLIC

Content hashes

Canonical text5003dadb247e2c03ed7e7014b60a4d5031eccb5f86a1dc7d23ba387ec8f6c5fb
Markdownf117f06521bb29a21bf6a9894f6b428d646265680f4c2fe28752c82f68ff4c04
PDF
Publication page381ae9469c33db96662021320bab8f8164847cbd1c393786690a9f6c5c0bb0ed
Manifestdd697c5298f5d237a09f9dfb9960eabb422d9ea091c2921d82c80b823fdc64ae

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
Signaturebg5mZb1zyd6QcAS/AUJu/ZBU34Oo9VS3kFI+x5io0I/tC5D/nFm6cAHWMlGJIn2F8t+GNxFskcPc+1DA4HdZBA==
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

2026-09-17T10:24:43.643554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071201
observed 381ae9469c33db96662021320bab8f81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:43.626110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071201/manifest.json
observed dd697c5298f5d237a09f9dfb9960eabb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:43.609451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071201/publication.md
observed f117f06521bb29a21bf6a9894f6b428d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:43.593210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071201/publication.txt
observed 5003dadb247e2c03ed7e7014b60a4d50...
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.