OpenTechnical

OT-2026-000057969

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000057969) never changes.

Identity and time

Publication numberOT-2026-000057969 · never reused
Internal UUID01a0ae88-6ed9-7dd2-b35e-f14d743ca0b0 · 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-2026-000057969
StatusPUBLIC

Content hashes

Canonical text01692cb35bb5c69f8d919ed9bced1964a234f587c13c3fe1ccc34012ce918b79
Markdownea116f5fee6c8ce91adce4844960bc9137e74f90bb02c62607dcad811f68a971
PDF
Publication page24e1be2a932f582cadadac407417e93a929509dde83077047276bd5f0e30f684
Manifest4aac1d9f3b8f28c25fedc24fc70073a684e4a934596ce7360dd8a55fd6da09d4

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
SignatureWb3tJctNB+PpEGCU01dbElZzOEsNU3jRzowvgHq3H38FlBDdw/UK//5qh5dI4TzoIophYrO6/RVBQrw5UWcCCw==
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

2026-09-17T10:47:35.460252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057969
observed 24e1be2a932f582cadadac407417e93a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:35.441829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057969/manifest.json
observed 4aac1d9f3b8f28c25fedc24fc70073a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:35.424175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057969/publication.md
observed ea116f5fee6c8ce91adce4844960bc91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:35.404960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057969/publication.txt
observed 01692cb35bb5c69f8d919ed9bced1964...
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.