OpenTechnical

OT-2026-000077258

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000077258) never changes.

Identity and time

Publication numberOT-2026-000077258 · never reused
Internal UUID01a0ae94-f508-75b8-897c-ec8bb6bd894e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077258
StatusPUBLIC

Content hashes

Canonical text99b46be64aa717c3c4b5d98336ebd01e1ef664839e6fb1a8cf1aae5d5759230d
Markdown7b145c86f2f7ff99e08086c6ec31c1b62575a2207f93d2af07550620476b42f9
PDF
Publication page6be10f5caf4ed05e196a113b55c9211bfd3f54e353b6bc4f2ef870b011204171
Manifestdc148b418c9d8cccb337d739b2a0d6810d4e86d6f333fc3a721a55483b439daa

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
SignatureQ/RvcMYY7Sa60prAhQHsuGiMSOApt2er9m9OhYihBER3vs8ZYuxtRF763n5kPisHDHOd2Ybpj8VoIvSoy3wRDw==
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

2026-09-17T10:08:52.882431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077258
observed 6be10f5caf4ed05e196a113b55c9211b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:52.857657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077258/manifest.json
observed dc148b418c9d8cccb337d739b2a0d681...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:52.835028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077258/publication.md
observed 7b145c86f2f7ff99e08086c6ec31c1b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:52.810404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077258/publication.txt
observed 99b46be64aa717c3c4b5d98336ebd01e...
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.