OpenTechnical

OT-2026-000080219

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000080219) never changes.

Identity and time

Publication numberOT-2026-000080219 · never reused
Internal UUID01a0ae96-7e76-72d6-a965-1e9e57c93388 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080219
StatusPUBLIC

Content hashes

Canonical textb992082dc4f909d3035d81a75688398ed686829acf74c7cef379ad41da1f4786
Markdown394785843b0b753136e2fa88abed935687602868164885f9d26c88daac7d820d
PDF
Publication pagea83465d636aaeb54fa7496092aa3c6ad571c60c85a4dc815260fbc22e54a5132
Manifest0aa20146c41146516458253db2bef310ea73f3574eea647c3fa6b375968bd8cf

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
Signatureq17n2H2BKhmuy38LnHvnbLYYQ8keRnSjL99IYpLkU+illndTFndgHT2ze13iTCDLBLe0JbPRoybU6xvxmdkvDg==
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

2026-09-17T10:02:40.293225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080219
observed a83465d636aaeb54fa7496092aa3c6ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:40.275210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080219/manifest.json
observed 0aa20146c41146516458253db2bef310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:40.257368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080219/publication.md
observed 394785843b0b753136e2fa88abed9356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:40.238545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080219/publication.txt
observed b992082dc4f909d3035d81a75688398e...
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.