OpenTechnical

OT-2026-000033141

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000033141) never changes.

Identity and time

Publication numberOT-2026-000033141 · never reused
Internal UUID01a0ae75-4844-7263-996a-a7bc5b188bd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033141
StatusPUBLIC

Content hashes

Canonical text7132bec57c8eb6ae8054bc132ddf75cb7e525534ba04a9d4d61b1616fd57ef06
Markdown3b81069168927c1d44a0be1215912d7c63d90ef3aa7f29ff94fa01cf77dcff17
PDF
Publication page742ec4ce647e840f4c064d105e891c51fee148dc5921c2c5b482ac8bfeb78f12
Manifest0b4f94199405af6d625cf864ddf6691a3f2989af90754811a2ccdc2cabe1a745

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
SignaturehLUQflZhMdvDml7Junb0kIKJIdUb+IVR9C2rnTBOhydpDo2Xz749vYqOdxCRWGY+jW4kLF5Z2OGwAxmMe2nmBQ==
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

2026-09-17T11:32:49.505691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033141
observed 742ec4ce647e840f4c064d105e891c51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.489030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033141/manifest.json
observed 0b4f94199405af6d625cf864ddf6691a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.471553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033141/publication.md
observed 3b81069168927c1d44a0be1215912d7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.452165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033141/publication.txt
observed 7132bec57c8eb6ae8054bc132ddf75cb...
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.