OpenTechnical

OT-2026-000095514

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, sustained 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-2026-000095514) never changes.

Identity and time

Publication numberOT-2026-000095514 · never reused
Internal UUID01a0ae9f-8f74-7825-aa20-690d4301f732 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095514
StatusPUBLIC

Content hashes

Canonical text598dd20d8f4fe945c5976db91916893d00cb34b3bd951f64a317b8f4d2d1d334
Markdownbb4071bbf35f3c72158fdb5b9872c53e40e7e29de9727a6491bd8b90e887b064
PDF
Publication page88a2dd845ce9217b8b1ed35700902f6d8c1730005f544f3d5f33f087cec886d5
Manifest499c66f928c4db399dea4860033b6eecb5787e48b1ec5535a4e51405df2d98e0

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
SignaturebzwH9zUW21mBKn7JjfhLVuZvnyrsF0XgqTsVylyvULs7qQdtgMmTsy4I/c7a4250ZIcOvrV7SVZ4HeDOae8TDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:55.349238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095514
observed 88a2dd845ce9217b8b1ed35700902f6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:55.332659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095514/manifest.json
observed 499c66f928c4db399dea4860033b6eec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:55.315059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095514/publication.md
observed bb4071bbf35f3c72158fdb5b9872c53e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:55.298798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095514/publication.txt
observed 598dd20d8f4fe945c5976db91916893d...
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.