OpenTechnical

OT-2026-000057986

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000057986) never changes.

Identity and time

Publication numberOT-2026-000057986 · never reused
Internal UUID01a0ae88-6ed9-72d0-ba03-9fe9ffc01682 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057986
StatusPUBLIC

Content hashes

Canonical textf83e7b4d1575cdbf5ede13079d436a2f3678733ff9046d9cbb8a868a5c61d495
Markdownfa2f091051e9ae529f9b92aa75aa947948d3332bb0f52936369a7fcd779d9c8b
PDF
Publication pageefaeb8af4d9c6e0096664c34ac6b1c879263afb76b02209fa6098b2d5b9e1691
Manifest3fc63d432d326a2bb9eae42ee4c91568462d3003451dd60e3c35822e5eeb0e24

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
Signature45gPbOIfcQdYn0fppzsQgretZUEyezJdivZt5HG3DXjdUxGrQqDY7cqoLMbxJFfAyiNigYXLOd3lNDzlwZ9tBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:36.847204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057986
observed efaeb8af4d9c6e0096664c34ac6b1c87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:36.827896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057986/manifest.json
observed 3fc63d432d326a2bb9eae42ee4c91568...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:36.809572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057986/publication.md
observed fa2f091051e9ae529f9b92aa75aa9479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:36.788688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057986/publication.txt
observed f83e7b4d1575cdbf5ede13079d436a2f...
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.