OpenTechnical

OT-2026-000033416

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000033416) never changes.

Identity and time

Publication numberOT-2026-000033416 · never reused
Internal UUID01a0ae75-8980-7cca-b733-13655a2e7cb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033416
StatusPUBLIC

Content hashes

Canonical text6a808237a7f14ed241206ef1a739219b71dbbe2ddfb8ee278510886d98e4b971
Markdownca872da90913679fff47d92f09b3ca2914e593eaec4ebb5d35615ca198867f39
PDF
Publication page1e549e11b5315226a6cbaf3081edd2073078b42d0a88a3a88b9d800699fb9a14
Manifest453c47e71f160d899f35d3d603b146a3f88ff94fa13fa6b7e1f67a2179f6d3fb

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
SignatureqoSpCC6ynafvjpwYyURiUODJCqfc/4KrFmhFkqPZMJLKkEE2oQiI6Otrwfpg/jWKSXx3fADsamYQDd93J5jrDA==
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

2026-09-17T11:32:12.055471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033416
observed 1e549e11b5315226a6cbaf3081edd207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:12.039184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033416/manifest.json
observed 453c47e71f160d899f35d3d603b146a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:12.020331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033416/publication.md
observed ca872da90913679fff47d92f09b3ca29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:12.002110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033416/publication.txt
observed 6a808237a7f14ed241206ef1a739219b...
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.