OpenTechnical

OT-2026-000081895

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000081895) never changes.

Identity and time

Publication numberOT-2026-000081895 · never reused
Internal UUID01a0ae97-0f76-72c7-9bb9-8454bfdded8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081895
StatusPUBLIC

Content hashes

Canonical text499c7744e485f9f1ff241da266c61a47eb41551e2c427f726454a7aac740e7da
Markdown977ddbedda56a27320312d0bd7aa3385952359c1278b71d2bca0426bc4d5922f
PDF
Publication page06917d9298fdffe46980b2c5459524351644bd7558ce22bafec5dee0bb313be1
Manifest74212ae43c0fa7292a0503c1bfb44d9593ad3cb58e0b2132a78cc2e6f9ab3df3

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
Signature927q1A87XJmY3R5MhXjnYN5JhVyy/zMcNSaNVYyhqaCxDD2hGZ95baf+tCRy5viKmW0EhFlgTHzOJw6qszHtAw==
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

2026-09-17T10:01:01.106230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081895
observed 06917d9298fdffe46980b2c545952435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:01.088979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081895/manifest.json
observed 74212ae43c0fa7292a0503c1bfb44d95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:01.071622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081895/publication.md
observed 977ddbedda56a27320312d0bd7aa3385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:01.053215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081895/publication.txt
observed 499c7744e485f9f1ff241da266c61a47...
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.