OpenTechnical

OT-2026-000098213

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, supply line 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-2026-000098213) never changes.

Identity and time

Publication numberOT-2026-000098213 · never reused
Internal UUID01a0aea1-e964-7e64-8d5d-d6bd66fa6059 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098213
StatusPUBLIC

Content hashes

Canonical textfcea211f93ba81d45ec5dc2c028376ba67cbe4ecb856308807fed92f7294547a
Markdown8a4bbea2f402b5812c0fe4b6ea1262d9b0fbe3ac5b8368795d6f34677c217c59
PDF
Publication page34b03ddb48693a8278093c7557a49a521f8116852eec795f46e3a14b6c3f49c5
Manifest80f8f35fe691c3d73adba684c690c0d8a1fa087c22617c9161e08ec276675dc4

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
SignatureTLyHInC28w02gwfvrcVynMwIzRktFIVlmbGSuON7pe03E+orrK5ViNfHga1M+p/j9Qo7Wj+9uWM+HbFZiQacBg==
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

2026-09-17T09:31:22.618631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098213
observed 34b03ddb48693a8278093c7557a49a52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:22.600805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098213/manifest.json
observed 80f8f35fe691c3d73adba684c690c0d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:22.573911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098213/publication.md
observed 8a4bbea2f402b5812c0fe4b6ea1262d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:22.557404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098213/publication.txt
observed fcea211f93ba81d45ec5dc2c028376ba...
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.