OpenTechnical

OT-2026-000100893

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000100893) never changes.

Identity and time

Publication numberOT-2026-000100893 · never reused
Internal UUID01a0aea3-c376-7c45-931a-a0fc31bf9e3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100893
StatusPUBLIC

Content hashes

Canonical text8a8c298ccc574257c2eb1f173bbba681fe9c526fa5a53ce83a9492f4882c230d
Markdown1b6bdc0bb1b16240865a440a90cbd982c5283e574f55e6ebd1f508f026b60a26
PDF
Publication page83a3b525fb6d1c5d953ea719e2a043b3c556d7661d7245a114bede1f612b0b66
Manifest09d4c701cd8c6c68a9a420448c9f0a6b2e9f3e39f4949806a231f8ce54fd9b59

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
Signature39qwfXZymjAv3Vsbp5Olj8vyMyfnLV89AvDcTZgD95l/HDgl9gLwr7JkdpqIDeIFGiv9oiIQ9zpVqusOTXiBCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:23.116881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100893
observed 83a3b525fb6d1c5d953ea719e2a043b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:23.100597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100893/manifest.json
observed 09d4c701cd8c6c68a9a420448c9f0a6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:23.084064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100893/publication.md
observed 1b6bdc0bb1b16240865a440a90cbd982...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:23.068143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100893/publication.txt
observed 8a8c298ccc574257c2eb1f173bbba681...
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.