OpenTechnical

OT-2026-000074938

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000074938) never changes.

Identity and time

Publication numberOT-2026-000074938 · never reused
Internal UUID01a0ae93-ac2d-7934-a992-5d45ca7879f4 · 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-2026-000074938
StatusPUBLIC

Content hashes

Canonical text161ac3802195d4eaa751619f3b53d02dfd3ffb709a9606771c957c9c5f64a0ed
Markdown109aca2dd3ab1a85ffd84315252198435925e2306300e5b636efeab2b5d85332
PDF
Publication page1838c3eddb7fdb348538515288b5bb6a371a647aecfdece2c728aae74865e2b7
Manifestc4edc3efb70864ed6923b1fb410fba777e639651934c0ceb980c7e192985992e

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
Signaturey37YWGQe/PJHvLMh9KuL5+XOPKDq+uO0RapDR7/+zXp7ODYYO2QEel2gXIm/1TnhTj8c9BE6tLdaTqvXB3BJBQ==
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

2026-09-17T10:18:40.068374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074938
observed 1838c3eddb7fdb348538515288b5bb6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:40.052324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074938/manifest.json
observed c4edc3efb70864ed6923b1fb410fba77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:40.036307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074938/publication.md
observed 109aca2dd3ab1a85ffd8431525219843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:40.018505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074938/publication.txt
observed 161ac3802195d4eaa751619f3b53d02d...
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.