OpenTechnical

OT-2026-000079115

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000079115) never changes.

Identity and time

Publication numberOT-2026-000079115 · never reused
Internal UUID01a0ae95-ccbf-7b70-879b-879127e4a9e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079115
StatusPUBLIC

Content hashes

Canonical text072e2d3ba1ab0d971168551f24ff80dc5108aed610515da25a9df908aed36162
Markdown2e6cef7868ccf5a385b5f2e1bf2d7628438551bcb66463a6555bda6693d0074f
PDF
Publication page889c774cf2a89834595dd1a7f2226408f30ef0992f03e2b5affb49bcc1014213
Manifest659c63a2885f7a231cb13712bcd1910457efb58b88311102679f5970bc3de505

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
Signaturelss9lAYXoCeOnX1kH78hWhLGH8mRn8ND/Rwwh1Svpj1TsJ8SItOoO6flIREasg64QdyCpXXZ0ZSAErxpp9X+Cg==
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

2026-09-17T10:05:57.827234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079115
observed 889c774cf2a89834595dd1a7f2226408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:57.806360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079115/manifest.json
observed 659c63a2885f7a231cb13712bcd19104...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:57.787121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079115/publication.md
observed 2e6cef7868ccf5a385b5f2e1bf2d7628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:57.770134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079115/publication.txt
observed 072e2d3ba1ab0d971168551f24ff80dc...
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.