OpenTechnical

OT-2026-000079191

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000079191) never changes.

Identity and time

Publication numberOT-2026-000079191 · never reused
Internal UUID01a0ae96-0b8f-77ab-a0d7-62de4cbd0d95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079191
StatusPUBLIC

Content hashes

Canonical text0f3f427691a1670881a2127045f06bb2927cc79acb0e6d345b38fd681f8e3a81
Markdownb66cea6fe0600ddb94316f1d06fbf415d49c170a4e4d1889a353758aabbfd13d
PDF
Publication pageeabc8d3b7a50ce2cd3b7da41d407fbd32e3b2448e49e07ca3a6ba624804ef117
Manifest4bb0190b77da7d863f5d96c9480d1f562e232912c4e596592614e78bd6e3e4a1

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
SignaturesWKxcEirGWin3Md0iYQR68HaWU3KiOy+uX0Hk2OKJAuyyXqx3TLqyNeNghJ7CgOpaGs/Qj6SRCYQEF/bD+e4DQ==
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

2026-09-17T10:04:47.062537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079191
observed eabc8d3b7a50ce2cd3b7da41d407fbd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:47.044735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079191/manifest.json
observed 4bb0190b77da7d863f5d96c9480d1f56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:47.025442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079191/publication.md
observed b66cea6fe0600ddb94316f1d06fbf415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:47.008783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079191/publication.txt
observed 0f3f427691a1670881a2127045f06bb2...
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.