OpenTechnical

OT-2026-000048634

Publication integrity record

Foam pad vacuum gripper, 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-2026-000048634) never changes.

Identity and time

Publication numberOT-2026-000048634 · never reused
Internal UUID01a0ae80-4de8-75b7-a6a1-aa52ff2f616a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048634
StatusPUBLIC

Content hashes

Canonical text52f71ce3f9f1cf75280acbf0da516371ad00fbbfbdaa4e2ba09d4249ff5c18b7
Markdownae0cfe10eca5e05194f6f540eb21c976ffc021a7372f3c5b5f23b14bcf32e796
PDF
Publication page34f6f462688d92c2c96a0d2adc1bd3d06ce6b6b5f0fc0b8527a3ae5a32b41dd3
Manifest0bb2b7d4837264e22d339a6af5167a6b944c961fc3606cee1d49d48c93d615be

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
SignatureOoWasAUDIMv2Z6wCDfn+4dT32SfaehnT/ZEH9f6451LkKTDmCvlLa5/+MMhAEH91LMwBc1y/oRd3/1z1+VN2CQ==
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

2026-09-17T11:05:27.513580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048634
observed 34f6f462688d92c2c96a0d2adc1bd3d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:27.490498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048634/manifest.json
observed 0bb2b7d4837264e22d339a6af5167a6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:27.469875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048634/publication.md
observed ae0cfe10eca5e05194f6f540eb21c976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:27.449786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048634/publication.txt
observed 52f71ce3f9f1cf75280acbf0da516371...
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.