OpenTechnical

OT-2026-000078570

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000078570) never changes.

Identity and time

Publication numberOT-2026-000078570 · never reused
Internal UUID01a0ae95-7c29-77ce-8437-5a9c0d0e05a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078570
StatusPUBLIC

Content hashes

Canonical text72c32a445f3ef6dbae3f7cb884e337764b66c0a442ff0f8725f9c109d8509450
Markdown06e7f9fe06c906458ee4a101e0cccfd5e6d5f873a1346a710456b19b6dfb2449
PDF
Publication pagef8d6a9983b1ab5e3c456f41ce9ffeb820b7ff0282826dd3811243d373229a800
Manifestc2d5452e25898ee788f2b3cca26e613c2323a133faa977a9db53232e031ef988

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
Signature67RIjXIvded/YSZ5UgTfvV+oAW2W7fDJ7V5xfcrJfqEjrQUVFT91MeNpWkD5kKUHdAGi9c+peay+VSQnpGRqAQ==
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

2026-09-17T10:06:35.663316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078570
observed f8d6a9983b1ab5e3c456f41ce9ffeb82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:35.645324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078570/manifest.json
observed c2d5452e25898ee788f2b3cca26e613c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:35.619724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078570/publication.md
observed 06e7f9fe06c906458ee4a101e0cccfd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:35.600399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078570/publication.txt
observed 72c32a445f3ef6dbae3f7cb884e33776...
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.