OpenTechnical

OT-2026-000091520

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091520) never changes.

Identity and time

Publication numberOT-2026-000091520 · never reused
Internal UUID01a0ae9c-f16e-7ff7-ba76-5bdcca964d33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091520
StatusPUBLIC

Content hashes

Canonical textac489d6c26370bdd5a77db627a2cd6e2209c5b1c345f6435a670388cffdb7a68
Markdown5dff9c45aa5797499a427c9c226b37aba12c984edf7cb69ae63dfa2ed2f7c657
PDF
Publication pageaa7c2db1a78b28f90015b802b5f080382ccd58da6007a2ef0a05cb7464492615
Manifest23be70a5714bb75fb52f788036f0565f5bcf598b27e02a4f1d032428f3b2ad3d

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
Signaturev71yWQeu1ZQzzUKpa21iPSjmNpGQoPcGiZuAsSR+NY1pGiFRn/NzU/lxU6FmZXTrRHrA4V7fbv1j+jRb7fQpBQ==
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

2026-09-17T09:43:45.275335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091520
observed aa7c2db1a78b28f90015b802b5f08038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.256544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091520/manifest.json
observed 23be70a5714bb75fb52f788036f0565f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.230509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091520/publication.md
observed 5dff9c45aa5797499a427c9c226b37ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.195658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091520/publication.txt
observed ac489d6c26370bdd5a77db627a2cd6e2...
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.