OpenTechnical

OT-2026-000104109

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000104109) never changes.

Identity and time

Publication numberOT-2026-000104109 · never reused
Internal UUID01a0aea5-341f-788f-afd9-5268174a55d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104109
StatusPUBLIC

Content hashes

Canonical text943533b8acc4b4ec07a3ecf40a8d07adc537cb0e495976618f1846e00d90e4b1
Markdownf22ae7714ad6d9da2cdd2251de71e485bec73c95e5de965820e11daf4d0e2ad6
PDF
Publication page02e7edd452a68ffc185c303ec642af9fe3311bc8f2f2391417b61b554ea73e0c
Manifest284dd2d0fc88530741f4ab989f9ce6d16d813425ba261d21e7aea7a44ed0311e

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
SignatureYnqChS0jL8cSaU3kngxPmuJAIVTs3MhWjD2CILkIrrKP537efRSiThY02ovVDXAXDPNZrFSeqouqONegiOnOBg==
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

2026-09-17T09:20:11.052133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104109
observed 02e7edd452a68ffc185c303ec642af9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.032955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104109/manifest.json
observed 284dd2d0fc88530741f4ab989f9ce6d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.013431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104109/publication.md
observed f22ae7714ad6d9da2cdd2251de71e485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.996450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104109/publication.txt
observed 943533b8acc4b4ec07a3ecf40a8d07ad...
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.