OpenTechnical

OT-2026-000030671

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pulsed 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-2026-000030671) never changes.

Identity and time

Publication numberOT-2026-000030671 · never reused
Internal UUID01a0ae74-3fb3-7cdb-b0f2-560de11b0221 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030671
StatusPUBLIC

Content hashes

Canonical textafb10c3bb50124adcce84c0b7c8141a0ecb281ccf3cd16c3a3262986052eeea9
Markdown72fc17656e47f03c3dae0d5b8a5f1ae0869d813148ac3442ff8ad2559b725092
PDF
Publication pageeb9b25d1329f718503fe93b08088d063dfc40a0ad4932d6469aa9ea9155adc3d
Manifest9b53637878c21fd6caf247b72240153a41fdfaed2e2ebbc1d268525c402b2eb3

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
SignatureAcenGoeTYZYDarMzqlU3G06KjQptb+/+Ncn4SUbHpsFgg93r5R//0Rv3t1t0M3XzjnIhwaRLrq1h1HN4mdwyCw==
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

2026-09-17T11:36:33.629410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030671
observed eb9b25d1329f718503fe93b08088d063...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.610700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030671/manifest.json
observed 9b53637878c21fd6caf247b72240153a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.592077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030671/publication.md
observed 72fc17656e47f03c3dae0d5b8a5f1ae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.573785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030671/publication.txt
observed afb10c3bb50124adcce84c0b7c8141a0...
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.