OpenTechnical

OT-2026-000043431

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000043431) never changes.

Identity and time

Publication numberOT-2026-000043431 · never reused
Internal UUID01a0ae7b-327f-7b48-a9e8-1b849c71caab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043431
StatusPUBLIC

Content hashes

Canonical textfe2489dfa51813dbd0b1d2b950f71fdff30d4e702e22fe364974e30d541777ea
Markdown795f7aa78a0e1f4db8b188b400c2b703c80a123b3e3e66c5214aa6a431e0dd71
PDF
Publication page46e5490d060a4ca884285f26d89029113d4f2e31f2781ce636a654898a109155
Manifestd0cf99f164f8fc7e120dd5a58490f8a20b6a799529b53c59cecf52fc374801b3

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
SignatureawB1AnBtt7dWEolJYqDAYlmLq1BKHiQIaL2acQu58pq5V4pKfX8ySi4H9n/T8hlTomesiDZ/vTkpPjmgZXf2BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:58.605138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043431
observed 46e5490d060a4ca884285f26d8902911...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:58.585693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043431/manifest.json
observed d0cf99f164f8fc7e120dd5a58490f8a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:58.566185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043431/publication.md
observed 795f7aa78a0e1f4db8b188b400c2b703...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:58.547425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043431/publication.txt
observed fe2489dfa51813dbd0b1d2b950f71fdf...
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.