OpenTechnical

OT-2026-000048973

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000048973) never changes.

Identity and time

Publication numberOT-2026-000048973 · never reused
Internal UUID01a0ae81-134c-7b75-8e52-f4ea2e76e982 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048973
StatusPUBLIC

Content hashes

Canonical text7557feb878d8e9e2ee29b588839a8c2c0c60c06d60f6dbf1b8ba197022396ab2
Markdown9b8eb937d2d123a35789b42433793c8103b9e3c8c291acb8fd5c4e176ee09ced
PDF
Publication page86a47122499ebdb1ca3a696a7fd15831eceb61a0ed591cb6456d341aadba1ad7
Manifest615979f9675aa498f9fb1d163060e8412604a91e78f4a959f423c0eb4acef39a

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
SignatureOl/RJXZjVEIFOyohHDWGnynDDMrk4bTr8XpDCT4JET74WizDpWjhe0B/a8/CSpSkMbDF5ZLhY7uqfVTzNu4aDg==
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

2026-09-17T11:03:10.435546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048973
observed 86a47122499ebdb1ca3a696a7fd15831...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:10.417387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048973/manifest.json
observed 615979f9675aa498f9fb1d163060e841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:10.399144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048973/publication.md
observed 9b8eb937d2d123a35789b42433793c81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:10.380458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048973/publication.txt
observed 7557feb878d8e9e2ee29b588839a8c2c...
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.