OpenTechnical

OT-2026-000042119

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000042119) never changes.

Identity and time

Publication numberOT-2026-000042119 · never reused
Internal UUID01a0ae7a-5d71-7d73-95b4-95191ed3aefa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042119
StatusPUBLIC

Content hashes

Canonical text5488576f52807f453b104d0ffbe68c79726cfb9e3c74a274787311bb75018e49
Markdown90383173d373c878d410fe6f173504d38b847db0c1961b9dfb0635d45cb989c4
PDF
Publication page279faf6529259b5a5d38f74b2a202711df043432803645cec5c4add0a477bfe7
Manifest0f557f32d1bde6af6197b007f204d881c3d763b1f143139687e9ae2be3dcbd9d

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
SignatureYgdnQ+3P983D3NaC1Y7rSW4iJpW/ndrbVRLCqpbuRVWXuxgIaBk3Elu/u8Zyv0tM+pAXuz+8hd/ua77ifL4IBQ==
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

2026-09-17T11:15:39.680468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042119
observed 279faf6529259b5a5d38f74b2a202711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:39.661761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042119/manifest.json
observed 0f557f32d1bde6af6197b007f204d881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:39.642897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042119/publication.md
observed 90383173d373c878d410fe6f173504d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:39.624626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042119/publication.txt
observed 5488576f52807f453b104d0ffbe68c79...
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.