OpenTechnical

OT-2026-000038319

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line 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-2026-000038319) never changes.

Identity and time

Publication numberOT-2026-000038319 · never reused
Internal UUID01a0ae78-2d51-79df-a870-c008c26b7d16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038319
StatusPUBLIC

Content hashes

Canonical text2adb9dd23f0e7240da249f70c44f7b85b1e0cbf8dc71a73ee14ab3a163a99d45
Markdown59221d6df6c5eea4b64268f1aa654ad1dc7db3279ad61a33f70f6a8c6193d36c
PDF
Publication page120a9c9709597f800e38521090a63d26898f783dfe718b95ce19b3c83ef63358
Manifestde00c2256b585f971115ae81d2b2c31a14bbbe1bd07a5bad2f02a35f2ec66428

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
SignaturelWZBHCk7LLcoGQEYPnzWPeOKRtu2Samr0MIx/Md23qWncp0+zrqhtbeX1q3H3qIpOHQBVp360LYB5D4Yj4m/Cg==
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

2026-09-17T11:22:29.942210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038319
observed 120a9c9709597f800e38521090a63d26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:29.925818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038319/manifest.json
observed de00c2256b585f971115ae81d2b2c31a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:29.905270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038319/publication.md
observed 59221d6df6c5eea4b64268f1aa654ad1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:29.884978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038319/publication.txt
observed 2adb9dd23f0e7240da249f70c44f7b85...
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.