OpenTechnical

OT-2026-000010633

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, sustained blow-off after 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-2026-000010633) never changes.

Identity and time

Publication numberOT-2026-000010633 · never reused
Internal UUID01a0ae6c-0ee8-73cd-bfdb-72f40247e99d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010633
StatusPUBLIC

Content hashes

Canonical textd346e49da4192a73594c34c315c3e2a6037ba7359dcc760b3db4305dbc642935
Markdown22ba4a7a338cb4fc71ecc35febde06b347993fdad498503fea3fdd2ef72d10fb
PDF
Publication page2942b21fb22d2f9e150ee16da846b3332bb7d90734d1e1945ad384f7cc1aab2e
Manifest7d63646b6aa40e10075565c513af4bd9608b8da24ec2207b9a1c8d5c5c50fdb1

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
SignaturezfDl2hTIDu06TY6HwRu9ZssnWnpxr7OYLVuExAincrBUSIpqi81isfZfM+Nryrh/x+dfN738h/5urekKelBSDw==
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

2026-09-17T12:14:49.812434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010633
observed 2942b21fb22d2f9e150ee16da846b333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:49.794903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010633/manifest.json
observed 7d63646b6aa40e10075565c513af4bd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:49.776643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010633/publication.md
observed 22ba4a7a338cb4fc71ecc35febde06b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:49.758635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010633/publication.txt
observed d346e49da4192a73594c34c315c3e2a6...
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.