OpenTechnical

OT-2026-000089599

Publication integrity record

Foam pad vacuum gripper, three zone face, three 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-2026-000089599) never changes.

Identity and time

Publication numberOT-2026-000089599 · never reused
Internal UUID01a0ae9c-1a21-71e2-bb6f-09c34eb0ac5c · 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-2026-000089599
StatusPUBLIC

Content hashes

Canonical text37122037fe3123400610b3519c557a6f96ae6d7ec30ff79b5cb116f56960a5f3
Markdown988b1f1e465fb13df6b79097df877b94952815796a5848031b5d6dd6904dd094
PDF
Publication page9d1c3650bbc60b36e897e5db2bc9857eacc4d93cb9b18886429c1b773b57cbb3
Manifestfa984064aae513663bdc2d12568845b377aee6465995ee797a712fdae088fcbb

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
SignaturelfonZIFITtIEE3vFrRYyOku+9Z9Ji+Ru9rw7pxvz/5+QgYA+YlxXvNecRzdB9QsTdMSNR5YtH+VCqGFL7UIlCg==
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

2026-09-17T09:46:34.649828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089599
observed 9d1c3650bbc60b36e897e5db2bc9857e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:34.628978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089599/manifest.json
observed fa984064aae513663bdc2d12568845b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:34.608656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089599/publication.md
observed 988b1f1e465fb13df6b79097df877b94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:34.591408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089599/publication.txt
observed 37122037fe3123400610b3519c557a6f...
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.