OpenTechnical

OT-2026-000033131

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000033131) never changes.

Identity and time

Publication numberOT-2026-000033131 · never reused
Internal UUID01a0ae75-4844-7a66-9f27-6a9ce050009f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033131
StatusPUBLIC

Content hashes

Canonical text15bc20f404d8dac39475cd09591b4b0e1273df3454d9010f9127d03355f23a7a
Markdowndcee40d6eeb505aace671d78711b065e9120812248631c5cda37a260f33f095f
PDF
Publication page2b69aa35ee9ec6065510332312ab97e2bcc263590c8f7aa5a06bb8623a9790a9
Manifest393e10ecdb58e370eee9a11073d7b3dc64cce3b6cb2d39bbee9d3719af68bf45

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
SignatureNP+LUsW+CbRZFNvkWP9Nssehkyxnl9UyzpXGJm/x3YUGSG+vpSdZb1h2SA7vhm+zCzTaZ9qnftawORuhn6yCDg==
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

2026-09-17T11:32:48.746610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033131
observed 2b69aa35ee9ec6065510332312ab97e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:48.727046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033131/manifest.json
observed 393e10ecdb58e370eee9a11073d7b3dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:48.706972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033131/publication.md
observed dcee40d6eeb505aace671d78711b065e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:48.688743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033131/publication.txt
observed 15bc20f404d8dac39475cd09591b4b0e...
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.