OpenTechnical

OT-2026-000041258

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, sustained blow-off after 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-2026-000041258) never changes.

Identity and time

Publication numberOT-2026-000041258 · never reused
Internal UUID01a0ae79-b143-7d1e-bec5-db32986456be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041258
StatusPUBLIC

Content hashes

Canonical text47049b683c6a6f338b33223e517da108e365f78989f66353b0a363b1665211c8
Markdownb0e3bd32d2a0f2c2b12d7eeb252322e3096bf1c1f158d3910f3234ab7c9d84f7
PDF
Publication pageae7c14405d6210c4a228adc0a0159c01b077937726523ec2c687153eeb72be2a
Manifestf875ff2c2f8236a0bf9e6af2f44382fa3bf59e6934f5d81505da6c3397fc628c

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
Signature29RqCT/kgdHp3SftKCoDwHt1ye/A/RJkjo+6SqT3fN5cgfVsX14iESBJCo1zOCYmmYCkBR9NirTchq0Dw6/SBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:17:13.797967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041258
observed ae7c14405d6210c4a228adc0a0159c01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:13.778846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041258/manifest.json
observed f875ff2c2f8236a0bf9e6af2f44382fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:13.759774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041258/publication.md
observed b0e3bd32d2a0f2c2b12d7eeb252322e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:13.741635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041258/publication.txt
observed 47049b683c6a6f338b33223e517da108...
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.