OpenTechnical

OT-2026-000078837

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000078837) never changes.

Identity and time

Publication numberOT-2026-000078837 · never reused
Internal UUID01a0ae95-ccbd-701b-aac8-eb051c459402 · 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-2026-000078837
StatusPUBLIC

Content hashes

Canonical text7138b8d97e4fdbc8ebb675cef006a29582037f85b8a89f2b1ac17d3a910a8910
Markdowndce8bb12fbb05ce164030ca2fd297f28640627d36714b7c5be67299613cf0c2d
PDF
Publication page190749c661420f59d1afd0d08c3c66a74d3b09c05b6cf6566d5ad835b674bdc5
Manifestfc2adda491b1f633ae9a177d8495600782dd505737fbd2858fecb1c6c1ea72c8

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
SignatureBzNhoZdzm8KNNX8hlCNZaRh9umYqQM0F1IuKihouK5JA2R/jZwu+ESbdEsQK5sUiqRrjxRQMep5YzmVQUm/iAg==
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

2026-09-17T10:05:38.167059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078837
observed 190749c661420f59d1afd0d08c3c66a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:38.151367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078837/manifest.json
observed fc2adda491b1f633ae9a177d84956007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:38.133340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078837/publication.md
observed dce8bb12fbb05ce164030ca2fd297f28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:38.115990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078837/publication.txt
observed 7138b8d97e4fdbc8ebb675cef006a295...
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.