OpenTechnical

OT-2026-000089636

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000089636) never changes.

Identity and time

Publication numberOT-2026-000089636 · never reused
Internal UUID01a0ae9c-1a21-716b-8d4c-f8a7b4800d07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089636
StatusPUBLIC

Content hashes

Canonical text96b43a453d3c9309badf1d3eb15aa913b07e671fff8e28f3e9b39a4673443131
Markdownce4596afcbdf1a5ff8d889b1a8707e9b1e83831680075429389137334961d3bd
PDF
Publication page79c56b1dfe62aacec21bb43ec84369e08096a9b75af9c6c67a33e16749e81009
Manifest39d2f71d11ccf8a6b3a6ca2408fd47d2b562a038578e20b5b4739f2ed1c3fb00

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
SignaturexPEryXDVp1wOQBLoY+0lZXmbop62EoKmYEOibWIjDfswXRTDOu5hb+8lq+MJyUrm5prVGMIuloUU1bFJz8uDBg==
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

2026-09-17T09:46:37.478709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089636
observed 79c56b1dfe62aacec21bb43ec84369e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:37.460235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089636/manifest.json
observed 39d2f71d11ccf8a6b3a6ca2408fd47d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:37.441433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089636/publication.md
observed ce4596afcbdf1a5ff8d889b1a8707e9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:37.424585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089636/publication.txt
observed 96b43a453d3c9309badf1d3eb15aa913...
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.