OpenTechnical

OT-2026-000040874

Publication integrity record

Foam pad vacuum gripper, pump fed, sustained blow-off after 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-2026-000040874) never changes.

Identity and time

Publication numberOT-2026-000040874 · never reused
Internal UUID01a0ae79-6d10-7ea1-948e-6b0e2d834f14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040874
StatusPUBLIC

Content hashes

Canonical text68b48f26fe44ee0e8253919efa4bd183cc1edb017bba2119aae858d8b4727ad0
Markdown8b33d73933b05bb7c42b71068c1d24e00b52c22e5f4314c6ea310d6c5956ebd2
PDF
Publication page311a122cb6b85fe7e5dcd22fb56c0a3abd70aa0f6f13bc704b4dea0f976958c0
Manifest22d5e0906cdc94bfe90ea740a5cbe936d470b174dcc5d0f01a7c1d2990c6690a

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
SignaturePlGCOXICdHrWDHAiL6OZqaD3o3bhO4EdElFT7PtyPwkHrXvFu3mTHgw0BGFWY53r0Arp/dcTWaTDARUW9H7tCg==
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

2026-09-17T11:20:13.966776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040874
observed 311a122cb6b85fe7e5dcd22fb56c0a3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:13.945650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040874/manifest.json
observed 22d5e0906cdc94bfe90ea740a5cbe936...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:13.927455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040874/publication.md
observed 8b33d73933b05bb7c42b71068c1d24e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:13.909258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040874/publication.txt
observed 68b48f26fe44ee0e8253919efa4bd183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:39.939986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040874
observed 311a122cb6b85fe7e5dcd22fb56c0a3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:39.921678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040874/manifest.json
observed 22d5e0906cdc94bfe90ea740a5cbe936...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:39.902277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040874/publication.md
observed 8b33d73933b05bb7c42b71068c1d24e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:39.883549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040874/publication.txt
observed 68b48f26fe44ee0e8253919efa4bd183...
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.