OpenTechnical

OT-2026-000079593

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000079593) never changes.

Identity and time

Publication numberOT-2026-000079593 · never reused
Internal UUID01a0ae96-0b92-77ac-8be3-1a4c7858dd3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079593
StatusPUBLIC

Content hashes

Canonical text1c17cdbbe41cb77ee3e5b4efe7a4ab91d8b5869257e95d95c42f464a5afc432d
Markdownb3ec274bf9a430efee4a7fe222e087a7ff2ee7a751f872ed3ee71fca7f11ea4c
PDF
Publication page954e28d46873732e33f67a3f2a483ed8e11d1ef56873b13c0bd1ae2a814de2cc
Manifest950ec95f46514da192aebc36ef5d1f6e1a00765efecd02c99c5ee56630bf6117

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
Signature744/VoaEAacaIpYCtk0z7nc+WrIDw4ELcHC7Bp+Bj6PDBapXeeVLCfOivdHngZeGkOcw+iUwTcHyVbvu61MGDw==
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

2026-09-17T10:05:15.081988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079593
observed 954e28d46873732e33f67a3f2a483ed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:15.064494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079593/manifest.json
observed 950ec95f46514da192aebc36ef5d1f6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:15.046543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079593/publication.md
observed b3ec274bf9a430efee4a7fe222e087a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:15.024685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079593/publication.txt
observed 1c17cdbbe41cb77ee3e5b4efe7a4ab91...
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.