OpenTechnical

OT-2026-000027002

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000027002) never changes.

Identity and time

Publication numberOT-2026-000027002 · never reused
Internal UUID01a0ae72-3453-7dd2-b737-c055b96ae862 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027002
StatusPUBLIC

Content hashes

Canonical textbcf1d5a1986e8d748fb7a6dbfe1178b6be066c545b198b5292c8115b78980db6
Markdown89ebd5100a32b087ce6a0bb956bc42b3d1752464fe6965740de5a3b1eb5cfbbc
PDF
Publication page3fe751338360d6658f2de577e3860d80668d2586851a178d961d81f8095e9c00
Manifest70355420f726935c22440b15b3972ac0e962c45e9ecf29c7e0cb97994d9564e9

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
Signaturex5NhY+Mt/UCG5pGrjbD6Y52Eb5eLeXWsWds38+5wLdoDLmss5AnzdetUQO+201HaBjDh7q0SQfzzsFS91WziBw==
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

2026-09-17T11:43:37.922823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027002
observed 3fe751338360d6658f2de577e3860d80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:37.907788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027002/manifest.json
observed 70355420f726935c22440b15b3972ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:37.891141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027002/publication.md
observed 89ebd5100a32b087ce6a0bb956bc42b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:37.874568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027002/publication.txt
observed bcf1d5a1986e8d748fb7a6dbfe1178b6...
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.