OpenTechnical

OT-2026-000009172

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, vented before set-down

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-2026-000009172) never changes.

Identity and time

Publication numberOT-2026-000009172 · never reused
Internal UUID01a0ae6b-31b9-7793-a0fe-06e8417a260e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009172
StatusPUBLIC

Content hashes

Canonical text7d234e6ee661768526cd6f7740142a95baf14af6cedf90088259e6ee06ca04e6
Markdownf588ab725fb97956dcdbbbbb2acabba08a8f6d78163f515be0a4d400dd599f61
PDF
Publication pagee2cd5a60da22b19c16f9b25b8498fdb5b7e6d76ca53a4be156c2cbadf5932f74
Manifest22d51b86931e67767f7569d89f84fbacf61a5f4975ddd400365631251450ae34

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
SignaturesGqNGVLhcLfNkHtn2lo61p+UMn38A1axj36XyadSB3lo9n2ThzE9aitOVoVU/WB/96yKgOSgg4XOUmZqDFBfBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:52.752827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009172
observed e2cd5a60da22b19c16f9b25b8498fdb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:52.734745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009172/manifest.json
observed 22d51b86931e67767f7569d89f84fbac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:52.715669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009172/publication.md
observed f588ab725fb97956dcdbbbbb2acabba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:52.695926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009172/publication.txt
observed 7d234e6ee661768526cd6f7740142a95...
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.