OpenTechnical

OT-2026-000100351

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, sustained blow-off before 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-2026-000100351) never changes.

Identity and time

Publication numberOT-2026-000100351 · never reused
Internal UUID01a0aea3-3054-7191-a71c-b3724b2611fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100351
StatusPUBLIC

Content hashes

Canonical text7620620e4e5c0da19bc6594afde240da18b088d11594777e92b37e975fc26520
Markdownc5a89b00befba6aac820046911d3718773a4cb047cf4395773ab000c566c9d98
PDF
Publication page8c3da54ef00488a727cfb3fb9ac0afaa4285ff78f45834bcf1d400f3aae3855d
Manifest36512d57757156eebca5097daa2703858de2f01eaa185125c72f6c9227fa4395

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
Signature0uP53KeTQiO8IcTB/xLS5qRItCQLabDH3m//aRVJs7UOtVqSwKTRiGtWQ/ocehz5YcgCoKjWLrEKHkDdqibdCA==
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

2026-09-17T09:30:18.061480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100351
observed 8c3da54ef00488a727cfb3fb9ac0afaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.041340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100351/manifest.json
observed 36512d57757156eebca5097daa270385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.021415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100351/publication.md
observed c5a89b00befba6aac820046911d37187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.002400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100351/publication.txt
observed 7620620e4e5c0da19bc6594afde240da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.383315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100351
observed 8c3da54ef00488a727cfb3fb9ac0afaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.364016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100351/manifest.json
observed 36512d57757156eebca5097daa270385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.343286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100351/publication.md
observed c5a89b00befba6aac820046911d37187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.323874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100351/publication.txt
observed 7620620e4e5c0da19bc6594afde240da...
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.