OpenTechnical

OT-2026-000080059

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000080059) never changes.

Identity and time

Publication numberOT-2026-000080059 · never reused
Internal UUID01a0ae96-4377-72f7-bdc8-e33f1618032b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080059
StatusPUBLIC

Content hashes

Canonical textd1934af00f79ea6c4513e748fbd8eb25594645b77fd62d0ff2128200399b87e9
Markdown7da358a9420a4dfb979c3f000a6e84830eaed9c2f5401858e7616b434ef7fad2
PDF
Publication pageaba3a256e84f442a851f2a05e49f209a632b3b5687e2e108a2c31e1221aae0aa
Manifestf9e1b4b60aa7787086cfa1a9b2d5bc535924dbd4897b699b9233ad8aba00cf70

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
SignaturefSJt21yUtnewjIZ4tglLspmcYe0ROReOEwGtNLC7xtMV3+M+CxscsQ0wcvM18RGL5JFK/PDKaP9cTDY+XruvDA==
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

2026-09-17T10:03:59.424952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080059
observed aba3a256e84f442a851f2a05e49f209a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:59.408264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080059/manifest.json
observed f9e1b4b60aa7787086cfa1a9b2d5bc53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:59.391384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080059/publication.md
observed 7da358a9420a4dfb979c3f000a6e8483...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:59.373027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080059/publication.txt
observed d1934af00f79ea6c4513e748fbd8eb25...
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.