OpenTechnical

OT-2026-000057714

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000057714) never changes.

Identity and time

Publication numberOT-2026-000057714 · never reused
Internal UUID01a0ae88-2695-71a4-8b71-b48dd03b5e8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057714
StatusPUBLIC

Content hashes

Canonical text2c6883c2d21727ff7946a3594ce90ed8870b4ecf232ffdb9537e14ef5fea58ec
Markdownc9ee546dd1d9bbf746e84fa8fc47e7f345212d3bcb86e51d523ef9596efbd0e4
PDF
Publication page89bbb5d998c90814357762b137d5eb8c817b08090b906ca345154744fb33203c
Manifest4446016468b23f620208339593c234cea048f82d7573be25f57eac8941f3a4fc

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
SignatureGbvMPCASplyqXGqVyVbvkFiH5sPV17NiruDCswdlinkPLZ3tpRSgcYPdPXo1x8Eroe+lzqUiblffSt697BARCw==
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

2026-09-17T10:48:22.986738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057714
observed 89bbb5d998c90814357762b137d5eb8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:22.966838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057714/manifest.json
observed 4446016468b23f620208339593c234ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:22.948027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057714/publication.md
observed c9ee546dd1d9bbf746e84fa8fc47e7f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:22.929506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057714/publication.txt
observed 2c6883c2d21727ff7946a3594ce90ed8...
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.