OpenTechnical

OT-2026-000077367

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed 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-2026-000077367) never changes.

Identity and time

Publication numberOT-2026-000077367 · never reused
Internal UUID01a0ae94-f509-74ae-adae-b9a93da2d263 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077367
StatusPUBLIC

Content hashes

Canonical text7662e22b467d2ec1df49a34818ce71f7f5a993fb444e47e9bed7c7bf673f869b
Markdowne4f4666c4e5130c6d71763f690e75be768e3e0e1529e7987ff1cb43947d24e99
PDF
Publication page37972c986a989ed503cde61555aa464e1614ecd319be5ce1e8416667fd7991a4
Manifest27b1cb280db1784c6d8b77d43a0a77f67766c3da1dc4dd60984fa7bb61319854

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
SignaturenDRYczLxj1ISg/twFh+imCr9eNdCNP0h3PzEb0j56oywEeut7DznyLkqnFYPRkpqKJw5iN+qB7q59aoZwuQQCA==
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

2026-09-17T10:09:00.659592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077367
observed 37972c986a989ed503cde61555aa464e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:00.640007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077367/manifest.json
observed 27b1cb280db1784c6d8b77d43a0a77f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:00.622100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077367/publication.md
observed e4f4666c4e5130c6d71763f690e75be7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:00.603371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077367/publication.txt
observed 7662e22b467d2ec1df49a34818ce71f7...
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.