OpenTechnical

OT-2026-000082090

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, vented after 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-2026-000082090) never changes.

Identity and time

Publication numberOT-2026-000082090 · never reused
Internal UUID01a0ae97-4d93-7d31-ba0b-33d39dbcf6a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082090
StatusPUBLIC

Content hashes

Canonical text1fae59e0ae3ffae94728fab93e7714ecbdb050b19928c5fe7022afe8962adbab
Markdown79cdd03b4549306204bcbca24f86edadb6c940e655db6c2fa83665cf9b5632de
PDF
Publication page89eeea4523160482bc4bd984c00fddb151452de120f99cd5ffcb3b1e613fda46
Manifest65f343ddcd3aa2568d9aa324fa0a6f9bc53391db99fed42c3c6f18c9531c5890

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
Signatureb2FNg2WNb/hWzwcYbb0v0Yo+L4wsjaZXbw2hLTR/ip4B8mF1UxffP01K61MysOyOJl1zEWLVhu/0/+iKEh4yCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:53.817960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082090
observed 89eeea4523160482bc4bd984c00fddb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:53.799059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082090/manifest.json
observed 65f343ddcd3aa2568d9aa324fa0a6f9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:53.782107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082090/publication.md
observed 79cdd03b4549306204bcbca24f86edad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:53.763912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082090/publication.txt
observed 1fae59e0ae3ffae94728fab93e7714ec...
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.