OpenTechnical

OT-2026-000051917

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000051917) never changes.

Identity and time

Publication numberOT-2026-000051917 · never reused
Internal UUID01a0ae83-e78d-7024-a90f-331a9cb2b97b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051917
StatusPUBLIC

Content hashes

Canonical text9bc8daa0c5c16d1c3c8aae7522ff73a6f277517343225fbfa1d7833802394dae
Markdown9f710d6e46f4f8a924923bcf4014a2f4f4674e1c83b1996d9f3f48274c3ab4a7
PDF
Publication pageb7e1b73d3f5c49129f599790d61fe8ad17999e550fcc3751ed0eef2177134248
Manifest5c1ff600a53bda719958e80e12c4ce2ca0c46cdd8d82b5de717a0e2b7e8bff75

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
SignatureiSN9xqk3JvHLLeTf9pXNwUIvdrsbDIpDxyHn/jyZSAoE0DldtN+/CIJIHanb9CqJgJMv2jF9M3J8s2mdc4PXBw==
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

2026-09-17T10:57:24.163588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051917
observed b7e1b73d3f5c49129f599790d61fe8ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:24.146310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051917/manifest.json
observed 5c1ff600a53bda719958e80e12c4ce2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:24.128762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051917/publication.md
observed 9f710d6e46f4f8a924923bcf4014a2f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:24.110597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051917/publication.txt
observed 9bc8daa0c5c16d1c3c8aae7522ff73a6...
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.