OpenTechnical

OT-2026-000045340

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, pulsed blow-off after set-down

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-2026-000045340) never changes.

Identity and time

Publication numberOT-2026-000045340 · never reused
Internal UUID01a0ae7c-f76b-77f9-b683-efa082c59ac4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045340
StatusPUBLIC

Content hashes

Canonical textf9eb21c2dcecbd3bdccf19f97e5af279d73bcd9ba32461791963201598e8112b
Markdown9dd6d4fd1bc9ea800d8d8ae40052dd03699eb29f101e95e4e2c4073fc5a1d0fc
PDF
Publication page3354d765b05b27e02d894e665fca9957afa9b11d9556c75aa642af49c896e44e
Manifest759d46a8605054315d0de499a5f121e33225405fce4d80c203eb2953e6c08d40

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
Signatureciaz1ju4mKiWTXRYr19IbjqwFKE4BU0H+C0bUwLVYO+Cko6p/cypW64jX1jP3wiVOjNToNcLW1Z6ue+OCiMgDg==
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

2026-09-17T11:10:35.982797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045340
observed 3354d765b05b27e02d894e665fca9957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:35.963533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045340/manifest.json
observed 759d46a8605054315d0de499a5f121e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:35.946721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045340/publication.md
observed 9dd6d4fd1bc9ea800d8d8ae40052dd03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:35.927090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045340/publication.txt
observed f9eb21c2dcecbd3bdccf19f97e5af279...
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.