OpenTechnical

OT-2026-000087734

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000087734) never changes.

Identity and time

Publication numberOT-2026-000087734 · never reused
Internal UUID01a0ae9a-cd55-7061-9f7a-95343ef34591 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087734
StatusPUBLIC

Content hashes

Canonical textfd0bb4dad92736dccf095016feb41a6eabaac71cf90b05fd574b4356f46a340d
Markdown80357736bd608579c758111988c7fda380ed63404457534f361bbf6fd4a3b868
PDF
Publication page80ccd46db50d35e1a7d7b9e4f8c400637cdcf1680ac4fa6b06028e9c34d0fd6c
Manifestf73ee9a2b38894d6c0a58cf381628aa3fa9c19c8656f26818ce9354987ee81bd

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
Signaturec3k69FuzeXVQHYTcRZvWAbUXUHH/1RZLpvbC92CEkQxtW+r3Zu37vW9OSkUcWveeYN3Eem+YXmbD9IZ88aG8Cg==
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

2026-09-17T09:51:11.273905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087734
observed 80ccd46db50d35e1a7d7b9e4f8c40063...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:11.258737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087734/manifest.json
observed f73ee9a2b38894d6c0a58cf381628aa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:11.243251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087734/publication.md
observed 80357736bd608579c758111988c7fda3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:11.228455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087734/publication.txt
observed fd0bb4dad92736dccf095016feb41a6e...
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.