OpenTechnical

OT-2026-000053149

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000053149) never changes.

Identity and time

Publication numberOT-2026-000053149 · never reused
Internal UUID01a0ae84-a432-7de8-8db2-031954cc782b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053149
StatusPUBLIC

Content hashes

Canonical texta85de9af53e01541fef55bbf59cbb885da6eef26ae33376ec59a17db440dc553
Markdownbbb08af77444bcd807fb12a95e41f65b7cd72bfdd5f06fc083b7fa10ad3a1e46
PDF
Publication page857fda2ffc23b584262d4075c70cee76ce1c8b8e281ec628f67d1b58923a5888
Manifestd7b7522303b378b141f92fd47ed5ba83fa9f63a47cfd8f29d1f2e847011ec72b

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
Signatureq1SCY7pYNrCiiO4rFJcZVqAdR8roClmSxoE0xxTkdL+nIC3A4s9QaOpmHgltOg6PZWTg3ogir1q+1X0gzgsuBA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:58.047999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053149
observed 857fda2ffc23b584262d4075c70cee76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:58.028551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053149/manifest.json
observed d7b7522303b378b141f92fd47ed5ba83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:58.010760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053149/publication.md
observed bbb08af77444bcd807fb12a95e41f65b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:57.990955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053149/publication.txt
observed a85de9af53e01541fef55bbf59cbb885...
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.