OpenTechnical

OT-2026-000103857

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pulsed blow-off after set-down

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-2026-000103857) never changes.

Identity and time

Publication numberOT-2026-000103857 · never reused
Internal UUID01a0aea5-15e6-7acf-a3e2-0a45c2a5a413 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103857
StatusPUBLIC

Content hashes

Canonical textf665113ff9b9e8bc5d2be3156a8b515b1cfd939daee1b2cce7589c406446970d
Markdown58e43b678301d3cbcba35c867974df68fead3a42aa52eaf51abf3227d226ed23
PDF
Publication page76e69f0a77a285f7781f3f4b53398853d8ba8404b3e374d1b1bba8817f0a8b20
Manifest37f9ae3c0b45dddd5c8a83817e997ca5cfebd6fb00a5f5d2b389345edea59e60

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
SignaturewARMF5RcfmLzbnuKoOk0NkQrJieCmdUDbhXkDAPyHx1rw/y8cHquZtGClRREApH2mW255qAcBOozY8StN6RIBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:49.023852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103857
observed 76e69f0a77a285f7781f3f4b53398853...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.004456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103857/manifest.json
observed 37f9ae3c0b45dddd5c8a83817e997ca5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:48.985386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103857/publication.md
observed 58e43b678301d3cbcba35c867974df68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:48.945414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103857/publication.txt
observed f665113ff9b9e8bc5d2be3156a8b515b...
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.