OpenTechnical

OT-2026-000063647

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000063647) never changes.

Identity and time

Publication numberOT-2026-000063647 · never reused
Internal UUID01a0ae8c-f946-7c04-8349-561a73095eb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063647
StatusPUBLIC

Content hashes

Canonical text4965e4e751f6a54276727d8afd066403879e19c9d62cee7fdbe3d77f0aa61c84
Markdown9abc6c6d72906416315baadde5dc153546b1f4a600ef6ebe30123920e63d64c4
PDF
Publication pagec54da09b9b88217ba4d7c8546729260ca46b06f00fed911aecd05a212e84e7f7
Manifestac9c56fb73aae05280a13fe6f7847680eb099e6b019bc08abfa7287a3ff70ba8

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
SignatureTxvpQroki7Vork9fKjb1BEFoYZyhTC4q3cQLllwf/YoAbAAYuqru44ouam/EbjPkzk0Z0FR1lernhjbzQ3v5DQ==
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

2026-09-17T10:37:45.119562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063647
observed c54da09b9b88217ba4d7c8546729260c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:45.100586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063647/manifest.json
observed ac9c56fb73aae05280a13fe6f7847680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:45.081573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063647/publication.md
observed 9abc6c6d72906416315baadde5dc1535...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:45.062491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063647/publication.txt
observed 4965e4e751f6a54276727d8afd066403...
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.