OpenTechnical

OT-2026-000089675

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089675) never changes.

Identity and time

Publication numberOT-2026-000089675 · never reused
Internal UUID01a0ae9c-1a22-76ab-b411-a7a871e51fef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089675
StatusPUBLIC

Content hashes

Canonical text94872d5ea1f222a3467a94ab16542fee6e5863afee6f220e27b29d5e98c635ce
Markdown0b35c11e0a777f0df5bab80fbcfefd080f54235490520fd87cda3565dc472f98
PDF
Publication page5e62a7a64cd595e803b11da28f76da497da1b0c4fd1270d8a70e459d7117bb03
Manifest2d2cd39282bcf292fe7d8e18cde2647a2dd490b6be6fb2dc6ed3c60c4091d2b5

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
SignatureAyGPyZwVInYLq5ZGkNBe+Q9IvrEV+OrouU3UGercodO8PhIE8dUugOf2DWWRrFIS+5z5SyNhW3CcMUnrlvOkCA==
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

2026-09-17T09:46:40.308002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089675
observed 5e62a7a64cd595e803b11da28f76da49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.290118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089675/manifest.json
observed 2d2cd39282bcf292fe7d8e18cde2647a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.273254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089675/publication.md
observed 0b35c11e0a777f0df5bab80fbcfefd08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.256196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089675/publication.txt
observed 94872d5ea1f222a3467a94ab16542fee...
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.