OpenTechnical

OT-2026-000077740

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, vented after 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-2026-000077740) never changes.

Identity and time

Publication numberOT-2026-000077740 · never reused
Internal UUID01a0ae95-2ecf-763e-9b51-c4b32442ad9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077740
StatusPUBLIC

Content hashes

Canonical text51310c53f19416f1d16a6ed15f9d62b83484115e588dd1946081d5911d35fee6
Markdowndf617ae359ec02a3c9ca8ea2c2b89945cf0815219560aa231ce06156fe7f5dc8
PDF
Publication page6745b16581106ddb4f936f06e48f4c5d068d7622d442384b193e6dde86de4b66
Manifest95ca410d4d3f87663330bfd1fab3a9afaec510990261bbaf28fb2080ba38fd18

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
SignaturewLGR3HOEQM0IFnhAqGKPo1ZoGEny5r2qUB6jkyH+2TVBQpHSPAPY5YsZioJe2PDmCSjgzcafxIiNvSbBS9BXAw==
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

2026-09-17T10:06:56.461733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077740
observed 6745b16581106ddb4f936f06e48f4c5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:56.444182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077740/manifest.json
observed 95ca410d4d3f87663330bfd1fab3a9af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:56.425996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077740/publication.md
observed df617ae359ec02a3c9ca8ea2c2b89945...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:56.406113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077740/publication.txt
observed 51310c53f19416f1d16a6ed15f9d62b8...
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.