OpenTechnical

OT-2026-000058517

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line 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-2026-000058517) never changes.

Identity and time

Publication numberOT-2026-000058517 · never reused
Internal UUID01a0ae88-f39b-717f-96b9-6ad31974a5a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058517
StatusPUBLIC

Content hashes

Canonical text459a5c2f5341718e9dd4bce1e43ad2c02fe1864a1d64c42e96153e808307151e
Markdownf2d3c603bb21d01c6ae5700744736d9120e79bb81f72b7b1ffd6e2da77b92d39
PDF
Publication page5ba44a5fca145c8bc56b22263029da551b8dbdff93d0037a3340fc61e6f3fb3e
Manifest2aa46ae9c1d51e0f6103b700e67f29445761508ac266d6c721b239e27cf1f43a

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
Signature4dLeYMUoeeqYKs4bBNp1ujEyrPH3y5b1IWDD/hTbYhutEwYxRNIY+JAU58GE08ap1wm72K+YwnC0L1iVOHy1DQ==
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

2026-09-17T10:46:58.614766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058517
observed 5ba44a5fca145c8bc56b22263029da55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:58.597652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058517/manifest.json
observed 2aa46ae9c1d51e0f6103b700e67f2944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:58.578423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058517/publication.md
observed f2d3c603bb21d01c6ae5700744736d91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:58.562244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058517/publication.txt
observed 459a5c2f5341718e9dd4bce1e43ad2c0...
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.