OpenTechnical

OT-2026-000017648

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single 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-2026-000017648) never changes.

Identity and time

Publication numberOT-2026-000017648 · never reused
Internal UUID01a0ae6e-96f9-7814-8ee0-3e495d5790cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017648
StatusPUBLIC

Content hashes

Canonical text0bb24ac5b5208ae4775eb870dd01ec04df7b4616e1aff20a288db5cab3becbe0
Markdownb5e6c38ef35b8dd72574d4e14421209489510eb3c7377d05c550d993051f7a00
PDF
Publication pagedb553c54118ad6d9c6d2e8b2b9371797b33cbfd861f57d7f868c14060435d16e
Manifest1e4debdf5e51b1282eb9108c4d600a68682e74727b8508be1c2f5e215e0d9f13

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
SignaturetPGrnzh6XxTvzZtCGCnQYDPR+sKA+AjO40Khg9KXfozXxY0XWsBgwj3HqL7EEe5rf6ofBX0YV5KBvx59QGR7DA==
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

2026-09-17T12:01:27.873369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017648
observed db553c54118ad6d9c6d2e8b2b9371797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.857511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017648/manifest.json
observed 1e4debdf5e51b1282eb9108c4d600a68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.840054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017648/publication.md
observed b5e6c38ef35b8dd72574d4e144212094...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.823384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017648/publication.txt
observed 0bb24ac5b5208ae4775eb870dd01ec04...
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.