OpenTechnical

OT-2026-000016919

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, pulsed blow-off before set-down

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-2026-000016919) never changes.

Identity and time

Publication numberOT-2026-000016919 · never reused
Internal UUID01a0ae6e-591a-7c56-8044-ff055f19849e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016919
StatusPUBLIC

Content hashes

Canonical text5103b74bf47204f26467b0b7bac4e5ec749f006f38b799462d8dbc6111939aeb
Markdownd22a32a3e954810378127ffd4a8821f349c0895e8f8d8f4f55f7b38a160c79ee
PDF
Publication page469c9cd78ac3364c9efd518eec64ca0fd1f27145260cba47cd1236e1c3bb4d5a
Manifest2d1f34f339512a29e91eb099a4351b40dd17c09fa6901e17184b7390a8c8d468

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
SignatureU2R6pRe45I2LXOBbEHXgb150rcQy9noXMQNNf4lVZNpQXVZqhz91jNAupXLUGAwoFqnMC0Htb+6FDF/SvcUJCw==
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

2026-09-17T12:03:11.647634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016919
observed 469c9cd78ac3364c9efd518eec64ca0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:11.629219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016919/manifest.json
observed 2d1f34f339512a29e91eb099a4351b40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:11.610562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016919/publication.md
observed d22a32a3e954810378127ffd4a8821f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:11.591711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016919/publication.txt
observed 5103b74bf47204f26467b0b7bac4e5ec...
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.