OpenTechnical

OT-2026-000071364

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000071364) never changes.

Identity and time

Publication numberOT-2026-000071364 · never reused
Internal UUID01a0ae91-e0ed-7120-8928-92c175954fc7 · 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-2026-000071364
StatusPUBLIC

Content hashes

Canonical text46be23bf205266057a9a39a2fb0bc182ef8c01515d56bab58ffde8b4719b0864
Markdown840303147982ab1f25c9278d51d22b98caf47a82807f40143bf3f104b4c5a0cf
PDF
Publication page3a125b4fb0820c81be81eaa4b4a9652ac30841237fac269ec8451b8666d46f00
Manifestb0318afa947f7c5803a2730f074ad58c8f6d0ca948ed2abe23dbc04d909a7551

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
Signature4SiKf4x6Lup0klcT+bS/2a0BAhaeaBiq0rMnPdnCy2BS7rr2NAbGN5oW3fQ3kYJvIS5A5SKd0UnxgHw0Om/rDA==
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

2026-09-17T10:24:58.522638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071364
observed 3a125b4fb0820c81be81eaa4b4a9652a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:58.505368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071364/manifest.json
observed b0318afa947f7c5803a2730f074ad58c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:58.487246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071364/publication.md
observed 840303147982ab1f25c9278d51d22b98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:58.471170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071364/publication.txt
observed 46be23bf205266057a9a39a2fb0bc182...
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.