OpenTechnical

OT-2026-000074978

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000074978) never changes.

Identity and time

Publication numberOT-2026-000074978 · never reused
Internal UUID01a0ae93-ac2d-7986-82d0-6065fa7590bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074978
StatusPUBLIC

Content hashes

Canonical textdc4d063f1b88de4df802ff6aafc478ddaf3523a6a8fcba08574695ec1bdfe51c
Markdown8aa1cf62f8d9dd32b5f2f4fed853587ab1aed41335df2221c816df5bf62227b0
PDF
Publication page20c2eb6171c24166377593d5a53dff19f3ee81751a574d5c3f74a56b99cdde0c
Manifest985af5bf8b6a54517d0130dbffee0b7f8181c165232eeb08fdf7e068ba3de1c3

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
SignatureccsygV+Nn+gowTEGCPFQyHtkYvCY6WkKdovns7ZJBtOfFeG/zf0QEvUrJhQ+opyWJnp6o6d3iF0XtSdGzU1BBg==
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

2026-09-17T10:18:46.902040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074978
observed 20c2eb6171c24166377593d5a53dff19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:46.870885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074978/manifest.json
observed 985af5bf8b6a54517d0130dbffee0b7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:46.854019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074978/publication.md
observed 8aa1cf62f8d9dd32b5f2f4fed853587a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:46.821108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074978/publication.txt
observed dc4d063f1b88de4df802ff6aafc478dd...
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.