OpenTechnical

OT-2026-000049222

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000049222) never changes.

Identity and time

Publication numberOT-2026-000049222 · never reused
Internal UUID01a0ae81-134f-74ff-ba7b-3aad55f43cc6 · 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-2026-000049222
StatusPUBLIC

Content hashes

Canonical text729f2d6c8a1f8f05a41245ae4c5b59d7113467b3bcb8282ef148e89c08655dfc
Markdown2d3ae10356f68ca784fcfa104113ef9f81ad11061d5edaea0ba0816776ac9116
PDF
Publication page7c8fd1d9daccade7e005b201a67050f1d8ea929a72f1dab0db8e8eaba81d56c3
Manifest514efccc0acf691f750b14ab9b32bf80d767d0f10d177a634cb22c3da95fe09b

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
Signaturee1ofAz/SsKrGydQNKmMc9/N/VwoT411gkFRdOunk2D0isf1O5Ev2anGF5ZCWn7IG1fz7ZcJ4rIJg8LjFGpG5BA==
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

2026-09-17T11:04:02.532586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049222
observed 7c8fd1d9daccade7e005b201a67050f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:02.514114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049222/manifest.json
observed 514efccc0acf691f750b14ab9b32bf80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:02.496554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049222/publication.md
observed 2d3ae10356f68ca784fcfa104113ef9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:02.475452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049222/publication.txt
observed 729f2d6c8a1f8f05a41245ae4c5b59d7...
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.