OpenTechnical

OT-2026-000050203

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000050203) never changes.

Identity and time

Publication numberOT-2026-000050203 · never reused
Internal UUID01a0ae82-5c45-7eec-bd80-adb008ad8d6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050203
StatusPUBLIC

Content hashes

Canonical textce05c9092118c821646925807e321ec03f016217390569ef3a8f8faabe6d123b
Markdown7968f4a69ef5d0589ca2f57f04c321d80e917ca03a7f28feda4a517c2893870a
PDF
Publication page2510687de7b15a911318422b3f84e8167463d221a2adb97d42dde248a8b10976
Manifest93e542ebbb14000a0d9deb3a0dcd02fe46ff1e110666cb26d155cc529d424fe1

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
SignatureYyfX2XJwZlURMYwR9n+NQyF61tfznrVLTIeaPnsrzc3JB0xGENaVRx6SRPfglJ9S0Hz3hdkMqbjFPXLxlOf6AA==
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

2026-09-17T11:01:11.486665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050203
observed 2510687de7b15a911318422b3f84e816...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:11.470346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050203/manifest.json
observed 93e542ebbb14000a0d9deb3a0dcd02fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:11.451800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050203/publication.md
observed 7968f4a69ef5d0589ca2f57f04c321d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:11.434217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050203/publication.txt
observed ce05c9092118c821646925807e321ec0...
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.