OpenTechnical

OT-2026-000031255

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000031255) never changes.

Identity and time

Publication numberOT-2026-000031255 · never reused
Internal UUID01a0ae74-87ab-751c-8c8b-0ff61932ac5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031255
StatusPUBLIC

Content hashes

Canonical text274ab3d6492c05bb632227956f5d5edc20b1428b20d66ea72feea23277451dce
Markdown7f333b547de43a2ec530afd3dcb091011344da430ec341de19a3bff88fef4274
PDF
Publication page7a55b216a1b4fafd12a6bd9258ac2369187ea9c52b90cbc2fef3829120b592e8
Manifestaeaa6bb0a47b77474d215f0ccfe2bb043349bfad9ac93c13ff44a4ef54283138

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+pgoO3taxb1BdILNFT/0Yw9ZvsSm4rSFgPB8Zc7kcoa7xIXgU/Jn+3qwoGUJaiQ+vHDB3mvFq+4t/ma/gqHtAg==
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

2026-09-17T11:35:49.898695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031255
observed 7a55b216a1b4fafd12a6bd9258ac2369...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:49.881797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031255/manifest.json
observed aeaa6bb0a47b77474d215f0ccfe2bb04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:49.862768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031255/publication.md
observed 7f333b547de43a2ec530afd3dcb09101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:49.843759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031255/publication.txt
observed 274ab3d6492c05bb632227956f5d5edc...
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.