OpenTechnical

OT-2026-000018391

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000018391) never changes.

Identity and time

Publication numberOT-2026-000018391 · never reused
Internal UUID01a0ae6e-b489-721a-8c00-da6d8f65d467 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018391
StatusPUBLIC

Content hashes

Canonical text5331d019c112f4bfd300553ddf554a41d1d5ac579e4b8a427491c56767a3c70a
Markdown3e3a99288f5315f894ed06605c75a8b9f5a18122514ed1720be2c174e7d9b567
PDF
Publication pagecd2df684c6911a35ffcc1621fdba7ef1b113c8c179d268ac60e28f4c1da99b49
Manifestc4999861d54413b8f1c13fc3d8163832995d4b58e632fee626995c8ee33c91ff

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
SignaturesgxGghocIrL+9msyHYMvKJuOabxCY4UtbXp14n17+Cff8uK0r5CUBMKgxHi0jvEhwgr1fqFjAZquE+A+/OfSAQ==
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

2026-09-17T12:01:07.982628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018391
observed cd2df684c6911a35ffcc1621fdba7ef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:07.964741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018391/manifest.json
observed c4999861d54413b8f1c13fc3d8163832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:07.947771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018391/publication.md
observed 3e3a99288f5315f894ed06605c75a8b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:07.931721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018391/publication.txt
observed 5331d019c112f4bfd300553ddf554a41...
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.