OpenTechnical

OT-2026-000008973

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000008973) never changes.

Identity and time

Publication numberOT-2026-000008973 · never reused
Internal UUID01a0ae6b-31b8-7598-bd66-491921dc19bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008973
StatusPUBLIC

Content hashes

Canonical texta6d3e0f101d99ecbbe0dbb3475e88aa428aa2e8005a368fcf0c51d13b95f00bb
Markdown6722e25038c2cb39bf71438612b860f2e197183f0ca755bc2a53d3b9585d4656
PDF
Publication pagec04b5566f0907b7afdca41d29a2d25e42dfcfbb08539949090caf3cff36676e0
Manifestd0570a40dec6329460427c4b76efc92adc9cad99143b426ebdc1999bf3802232

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
SignatureUN5Viburior+XN1QQY3eythYKppPND9my0N1wrHHznIinAtyOYU2ZL3y7+yWcpi2I8DEfGNvTGscF3RdK/KzBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:35.576272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008973
observed c04b5566f0907b7afdca41d29a2d25e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:35.555735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008973/manifest.json
observed d0570a40dec6329460427c4b76efc92a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:35.534721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008973/publication.md
observed 6722e25038c2cb39bf71438612b860f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:35.516459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008973/publication.txt
observed a6d3e0f101d99ecbbe0dbb3475e88aa4...
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.