OpenTechnical

OT-2026-000021565

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000021565) never changes.

Identity and time

Publication numberOT-2026-000021565 · never reused
Internal UUID01a0ae6f-865e-7000-a13e-e1d2edebcfdf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021565
StatusPUBLIC

Content hashes

Canonical textc37cdedf6690193c9e7d966b4fc0974a15ede11adb1443d1ea077dae99b13ee6
Markdowne58b97b0006b8347e5ff130250b8043bc06170e35209e342f964fcced297e728
PDF
Publication page119e3c3917870cfd1dc4f9c0b3d502b5b5b640d0d64fc78eaa36f2cef10b3e64
Manifest29b109683bc35d4ec3d2fe01857acd9ad5a48cfca8c302e647ece1af78233745

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
Signaturehy/g5+Mzej/dKH5Wt4Yf4JYvSPf4ulIWFWfO9FZsdVmYLWsW1W7supoueUDPXGai+MaWEISLWkMD2ti+5/ENDw==
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

2026-09-17T11:55:29.190677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021565
observed 119e3c3917870cfd1dc4f9c0b3d502b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:29.172037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021565/manifest.json
observed 29b109683bc35d4ec3d2fe01857acd9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:29.153352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021565/publication.md
observed e58b97b0006b8347e5ff130250b8043b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:29.135458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021565/publication.txt
observed c37cdedf6690193c9e7d966b4fc0974a...
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.