OpenTechnical

OT-2026-000071242

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented before set-down, on a tool changer

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-2026-000071242) never changes.

Identity and time

Publication numberOT-2026-000071242 · never reused
Internal UUID01a0ae91-e0ec-7982-84aa-c455714f5561 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071242
StatusPUBLIC

Content hashes

Canonical text33ec7726e9c38b8651f643bb7e25ae7f82ee711768b30277c5dd83a0c6c326ba
Markdowna413e390a813a66e4fdeaca5af95362ac82c2bc36812c2dfc9fd167d565afb8a
PDF
Publication page1eb3049e142e0a973f0580aad4cee2259a81d33225defc26ada82c28e33f7706
Manifestd61f54494fbc8a49a36e7bc7fcb1ccc3f5524cf0ec20f324bd4b6bd4468e9e9d

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
SignaturexdfCoB0j/4XJ3Mus/QA+ASpy1ZC5qbEDJEXptkccpKhSN0tNZilnI0LrnTRQiLNhKHrPcvWUKP/Br+xOuqnHDQ==
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

2026-09-17T10:24:47.495408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071242
observed 1eb3049e142e0a973f0580aad4cee225...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.477951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071242/manifest.json
observed d61f54494fbc8a49a36e7bc7fcb1ccc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.462136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071242/publication.md
observed a413e390a813a66e4fdeaca5af95362a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.444081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071242/publication.txt
observed 33ec7726e9c38b8651f643bb7e25ae7f...
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.