OpenTechnical

OT-2026-000081034

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000081034) never changes.

Identity and time

Publication numberOT-2026-000081034 · never reused
Internal UUID01a0ae96-b976-7d61-a3e4-12fbb1a69481 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081034
StatusPUBLIC

Content hashes

Canonical text20516a3cc8677d4f0b9c54bbf9538b26d4c6ed0c8bf593f08addef8871bac740
Markdown39175bc3d0f3c49d86e99a9acd9ecafb49cd30f202b4d558d807947a3ba63dbf
PDF
Publication page724b1f4f7189cff25abf347bb825c8317e3e87d341c1ed2007d79bdf2a3781ec
Manifest00dad5f0b892696c6e5b614247097811667838e1ce1a64f38317e92d2154f6d8

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
SignatureNOv0bRwuHStj1GWp6zHTY0SjaHrNMBUJ3VXVRVkluuP1oPPRFNYEcMBYAAZut+2IqulR/9M1Ml7lthI/0j1gCA==
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

2026-09-17T10:02:19.497808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081034
observed 724b1f4f7189cff25abf347bb825c831...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:19.480520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081034/manifest.json
observed 00dad5f0b892696c6e5b614247097811...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:19.463303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081034/publication.md
observed 39175bc3d0f3c49d86e99a9acd9ecafb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:19.445146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081034/publication.txt
observed 20516a3cc8677d4f0b9c54bbf9538b26...
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.