OpenTechnical

OT-2026-000023789

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000023789) never changes.

Identity and time

Publication numberOT-2026-000023789 · never reused
Internal UUID01a0ae70-aed5-73f9-a91f-70bf745c401b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023789
StatusPUBLIC

Content hashes

Canonical text09c4e97d30f73e75d398468d2bee2bbce8a3f4aab8d62edb2a322ebb57d44087
Markdown881fa62e6f14220c1409e402acf7c1f98b1a2dfcf58b0383a993e1e4eacde8d2
PDF
Publication pageac2cc6eacb98bb364a51321439f3a8b2c7fd374442158b3e7c0cb9173cc9d9d3
Manifesta6b918bcd1b5dc87e5edf13257a9c1363f53d09687d87551a14838ee72c6e50b

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
SignatureEx31hAMSYObv0efSTSjZWfMYYBuizDgjP6J81uF1Myo8RtAeAOPAOmlqKNbQT4oCFCBoMcrxQb4Rnv2v9HtyBQ==
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

2026-09-17T11:50:15.771017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023789
observed ac2cc6eacb98bb364a51321439f3a8b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:15.753206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023789/manifest.json
observed a6b918bcd1b5dc87e5edf13257a9c136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:15.733650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023789/publication.md
observed 881fa62e6f14220c1409e402acf7c1f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:15.716159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023789/publication.txt
observed 09c4e97d30f73e75d398468d2bee2bbc...
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.