OpenTechnical

OT-2026-000100281

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000100281) never changes.

Identity and time

Publication numberOT-2026-000100281 · never reused
Internal UUID01a0aea3-3053-7557-8cd3-2b8bf5b36729 · 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-2026-000100281
StatusPUBLIC

Content hashes

Canonical text1050c5ab84140afbecbc92023e75cd85af873c09ca3672742659ac2a64752f54
Markdown3b3b303d8a23353294467ac2ec4990d99eb6be1a0f23b344e50979977dcf9281
PDF
Publication pageb440700ea88a421a7590fba349521cd8ac53bd0b57383622ce6500c0eaac1aec
Manifest32bda861347d0ab4a79cda203127a7c5d310ce8694b0ae7c858d660607aca302

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
SignaturejVQG6UV+GbnK3dKfLSR9UG1lUP2/JTlrx/gWpBjzzF5UAnncESAig4ClhDIdj1E25suy4HHTqoPbBU1RpnDHAQ==
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

2026-09-17T09:30:05.575853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100281
observed b440700ea88a421a7590fba349521cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.556702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100281/manifest.json
observed 32bda861347d0ab4a79cda203127a7c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.540148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100281/publication.md
observed 3b3b303d8a23353294467ac2ec4990d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.524906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100281/publication.txt
observed 1050c5ab84140afbecbc92023e75cd85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:35.237364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100281
observed b440700ea88a421a7590fba349521cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:35.217092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100281/manifest.json
observed 32bda861347d0ab4a79cda203127a7c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:35.199036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100281/publication.md
observed 3b3b303d8a23353294467ac2ec4990d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:35.182616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100281/publication.txt
observed 1050c5ab84140afbecbc92023e75cd85...
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.