OpenTechnical

OT-2026-000090012

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000090012) never changes.

Identity and time

Publication numberOT-2026-000090012 · never reused
Internal UUID01a0ae9c-428e-73f3-a727-12677e3e6541 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090012
StatusPUBLIC

Content hashes

Canonical text0bad504a25a828874d13748dbaae40139f89949446ff8dbed16a71b36f248f47
Markdowne14866a17316172dca06320ac6a2446ab8bcef9773faed5786ba70762f4daa4c
PDF
Publication page6aeafe4575689bf2514cd1d5fb598b826b7c15e9e78891e44a7b2eebaf629a5f
Manifest7f480396d51acb81068b05cf4bdb7a7bfb7a6aaf9a0d97c79ae11d1d1aa9709d

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
SignatureAHzJSDMDU5OP3LAqTMMRJ8OJlMI5VAGXNTINiLJdXzHxqywlALL9DPvFozdWcU1frmHf/dMdZWR6V6985ytSCg==
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

2026-09-17T09:45:24.472455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090012
observed 6aeafe4575689bf2514cd1d5fb598b82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:24.454321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090012/manifest.json
observed 7f480396d51acb81068b05cf4bdb7a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:24.435524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090012/publication.md
observed e14866a17316172dca06320ac6a2446a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:24.414942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090012/publication.txt
observed 0bad504a25a828874d13748dbaae4013...
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.