OpenTechnical

OT-2026-000079771

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, sustained blow-off 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-2026-000079771) never changes.

Identity and time

Publication numberOT-2026-000079771 · never reused
Internal UUID01a0ae96-4375-78e2-9481-8458b153ea65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079771
StatusPUBLIC

Content hashes

Canonical text31d2a15d5f50a9e057f469a84761bf449188127bc6b7fdd978961357df80dc43
Markdownaf7b4b7b92f8fafd6518b81980e41e5311c2a55dca94ef7dcf1ea97a1ab0f822
PDF
Publication page7010630f2615ebdac7b478daf86309dde26fcf09363246d9635699123ce205b8
Manifest452a968d1b62a9a509f2e0fc21be703041409d242e33260cd826d0ad24bcc9ca

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
SignatureRjPZO62dUi10AxKxgQDwk4edpK0dXEg1wTjXRSaQq6hxnsuFCqqX4k+E8/Sf0dfjpwQCS2adRtXKy+LjfJKyBw==
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

2026-09-17T10:03:38.631489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079771
observed 7010630f2615ebdac7b478daf86309dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:38.614165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079771/manifest.json
observed 452a968d1b62a9a509f2e0fc21be7030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:38.595439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079771/publication.md
observed af7b4b7b92f8fafd6518b81980e41e53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:38.577634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079771/publication.txt
observed 31d2a15d5f50a9e057f469a84761bf44...
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.