OpenTechnical

OT-2026-000053880

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000053880) never changes.

Identity and time

Publication numberOT-2026-000053880 · never reused
Internal UUID01a0ae85-735e-7d51-bcc7-5fe90d2cfb91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053880
StatusPUBLIC

Content hashes

Canonical text3230ddd6afc6978025cb3f2b287e85c893f7c1074b10952e628ec18bc430a5da
Markdown6a8c2a9bffed3dd62959516174df501e753645472f826768d63e2b78d45d245b
PDF
Publication page48677becad8f1783b7f10b51f5a145cc35add976b8f0de099a7d4fbf1f789248
Manifestb29e108dfe00a5867f0e73d47ccce7e6a3f0a160992b2cbda40841bd90a32491

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
SignaturegJ5NZrfBy4r+ibat9YHV3YCTrrJH29rFdbjB230skQhpFXIMmNfJjBWQobZZ70gov+ldANGxkenv/bMmiWFzAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:41.522784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053880
observed 48677becad8f1783b7f10b51f5a145cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:41.501522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053880/manifest.json
observed b29e108dfe00a5867f0e73d47ccce7e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:41.477956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053880/publication.md
observed 6a8c2a9bffed3dd62959516174df501e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:41.333672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053880/publication.txt
observed 3230ddd6afc6978025cb3f2b287e85c8...
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.