OpenTechnical

OT-2026-000089996

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum 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-2026-000089996) never changes.

Identity and time

Publication numberOT-2026-000089996 · never reused
Internal UUID01a0ae9c-428e-7023-ba0c-fcc91bf19ebc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089996
StatusPUBLIC

Content hashes

Canonical textceccdde6ca5407a4860269f1b2ab533b359ecea6beb2f69b93f99e8fbf9edf35
Markdown2d5c18ff84496601b10c034d9a4c5e9dadfc9d963efde6813846e80b05786993
PDF
Publication pagec657ca54f5a001966a2768ab717d592bf5604fa350da1a77997e4ebc3cd16add
Manifest09d42851a92a1e05fcfd5aa467f7df313fd44f88b31350ae4627b9257c882717

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
Signature/WFwW9rZQsqAlB0vFavLbkpcy8jooJ0xW+nWsyc9Xy9xfTFJwM+cfD1D4umI1KumnbPH9PmELASMdyeLee1cCQ==
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

2026-09-17T09:45:23.213976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089996
observed c657ca54f5a001966a2768ab717d592b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:23.196521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089996/manifest.json
observed 09d42851a92a1e05fcfd5aa467f7df31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:23.176915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089996/publication.md
observed 2d5c18ff84496601b10c034d9a4c5e9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:23.157980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089996/publication.txt
observed ceccdde6ca5407a4860269f1b2ab533b...
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.