OpenTechnical

OT-2026-000091893

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six 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-2026-000091893) never changes.

Identity and time

Publication numberOT-2026-000091893 · never reused
Internal UUID01a0ae9d-43ba-7034-a459-e0a70f1db3e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091893
StatusPUBLIC

Content hashes

Canonical text97c0ab7f940d3a3e8f23f9d499a453dfbd3717ff537c3b85035d3e0ae077fe36
Markdown044872cd5fde4017643bd7d2ddf267b1ba57df609e7f38d186d8c54bbbf90c5c
PDF
Publication page5bbfd862fd91c71b0f940e0e36760c675fc9a66c3d1eaf8e554a6caa27b3f8ef
Manifest2dfbe73e08b2a16ded7f63af74d3567b3a623e5ef22ab90af3e5b3793bcfe324

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
SignaturengzROELIUNtANgZadvtr4HWUa/jpc/qF61FdS3nbGHcfzS/516ktcDJFFTTXLBhr48JpkG0p9YqVOtgnf2SJCg==
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

2026-09-17T09:42:49.693876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091893
observed 5bbfd862fd91c71b0f940e0e36760c67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:49.676823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091893/manifest.json
observed 2dfbe73e08b2a16ded7f63af74d3567b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:49.662116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091893/publication.md
observed 044872cd5fde4017643bd7d2ddf267b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:49.645152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091893/publication.txt
observed 97c0ab7f940d3a3e8f23f9d499a453df...
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.