OpenTechnical

OT-2026-000036955

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000036955) never changes.

Identity and time

Publication numberOT-2026-000036955 · never reused
Internal UUID01a0ae77-773f-7bfe-a54e-73793cb4d972 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036955
StatusPUBLIC

Content hashes

Canonical text73240b7484445e8bffe0d9ad58cdef63a7e49b42dfdead9eb300d6fcf2079a45
Markdown0df0c8ce667a86423ced55b9e69e3821226f6322df8ba6c3667ebe41e6abc39d
PDF
Publication page255db304fe1362e86be97b6018af437b49eb6c6ecfc5365be8063089f96d98ea
Manifest2bddbbc8fc74f2ed4b666119961ee2ae47826baf5c543a886ea1ee999cebb71e

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
SignatureTx/heoCoMHV10yGhRcbzQnkYWq7LI72PEyHlDlBiLlhcbK7KLNRDGSBp/dnIkziSJVhLixt0D/rQp1Q43y7tCA==
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

2026-09-17T11:24:36.477908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036955
observed 255db304fe1362e86be97b6018af437b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:36.461150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036955/manifest.json
observed 2bddbbc8fc74f2ed4b666119961ee2ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:36.442149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036955/publication.md
observed 0df0c8ce667a86423ced55b9e69e3821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:36.424134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036955/publication.txt
observed 73240b7484445e8bffe0d9ad58cdef63...
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.