OpenTechnical

OT-2026-000061321

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000061321) never changes.

Identity and time

Publication numberOT-2026-000061321 · never reused
Internal UUID01a0ae8b-1384-7e3c-9677-14faf7a51087 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061321
StatusPUBLIC

Content hashes

Canonical textad3546b0202c9bf9664e7ad593b97fc62288ce30b9d7bca17e24b160aaf92762
Markdown8a86d4c6d060f1c668692a7e1b9219b3e2ec8255d9dd21a391aced3461e7c3d4
PDF
Publication page78232061946b190cf27a55e59c88c2250a3e392521075b3502848daf5742885e
Manifest366cfa7ae4226a43c1bad9e1913c1117f576652a704e777f368b0770851d95fc

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
SignatureI8gEwJ6+tnL1Iy4H+Xyq4sgk0KlYHC9lLRddn+/iwvSLeR018BH90QNoTs1CBJ3y/+5GeC54TLj2CdGVVTssAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:45.425174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061321
observed 78232061946b190cf27a55e59c88c225...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:45.407118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061321/manifest.json
observed 366cfa7ae4226a43c1bad9e1913c1117...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:45.388402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061321/publication.md
observed 8a86d4c6d060f1c668692a7e1b9219b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:45.368969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061321/publication.txt
observed ad3546b0202c9bf9664e7ad593b97fc6...
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.