OpenTechnical

OT-2026-000074289

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold 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-2026-000074289) never changes.

Identity and time

Publication numberOT-2026-000074289 · never reused
Internal UUID01a0ae93-7178-7c9b-bc2a-972432eab059 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074289
StatusPUBLIC

Content hashes

Canonical text638f887f807f113b9e32964c5c998d5efdd7aa24aba3cc31a8080ddf5d770472
Markdown3b68de3c9b6e0241fb06b33ddf220b5e40b262731a2b4f937c7ccd7fea9efd6a
PDF
Publication pagee91aba52f6500c0bd47ecf70741d284e3843f9aa15e9cc75187bf6098706e90e
Manifestc0accceb111feaf07d1f68674828d6cdcf2478c482c75d7d3aa22d38aa3ca262

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
Signatureg/DuPngmc6knc978yl0xge/DmpHjRQTGLBpVIsk/fdyRSG2au1vM+eHZ2gdRfGHPEvACKlk1wNgaMu0FWLxVDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:11.927339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074289
observed e91aba52f6500c0bd47ecf70741d284e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:11.908235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074289/manifest.json
observed c0accceb111feaf07d1f68674828d6cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:11.891573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074289/publication.md
observed 3b68de3c9b6e0241fb06b33ddf220b5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:11.874074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074289/publication.txt
observed 638f887f807f113b9e32964c5c998d5e...
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.