OpenTechnical

OT-2026-000100707

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000100707) never changes.

Identity and time

Publication numberOT-2026-000100707 · never reused
Internal UUID01a0aea3-66f3-7899-ac83-a6dadeac531a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100707
StatusPUBLIC

Content hashes

Canonical textb52b9c2273c266c9b0fa2df8cbb5218631d13b9d3de9379b64364219a2a4430c
Markdown70d315dbf63e91d86f24462ff5375657ddbd5b266849fd5bb59d003c078c7175
PDF
Publication pageeda1ac6f3c107b60cdc4602ab53209bbfb92e4267a3d73fec01bc0d54efa7ebf
Manifeste7e4f296990251233533de58ed6a7c67a9d9f5666e75ca5dac814ba64682c720

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
Signaturec6kkRp3XGZ1bTDPD40sBcnT8ldZ+O8ZjtMJvwwONCDNaYH0hqxNUmwNcf+qlkrjQwZ/ooi7cLr5AY9ZUn4ROCQ==
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

2026-09-17T09:27:31.670859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100707
observed eda1ac6f3c107b60cdc4602ab53209bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:31.653798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100707/manifest.json
observed e7e4f296990251233533de58ed6a7c67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:31.634287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100707/publication.md
observed 70d315dbf63e91d86f24462ff5375657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:31.613327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100707/publication.txt
observed b52b9c2273c266c9b0fa2df8cbb52186...
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.