OpenTechnical

OT-2026-000055579

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000055579) never changes.

Identity and time

Publication numberOT-2026-000055579 · never reused
Internal UUID01a0ae86-a103-7b95-acd8-f30e71ed961a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055579
StatusPUBLIC

Content hashes

Canonical textf243663dadef2e2c0f26a8f36445c9b1adf27bba7282855fbfb16157b978f2e2
Markdown00c83ff21b33ffde628289f2123ea402a97eb1e4de83698c18d3e3554932c646
PDF
Publication page19aa34c258ce74b3479a580f056ae7538a9b69d84307fd57cbf829cdf6baf9b5
Manifest2bbfd8c700dc91090235ac6562d15151c199f2b15728bd5607415705cc1a62e6

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
SignaturewLw0xRXv6YehxLlC3LWINW23rfmSHvCe7gKfc0l5DVNshPIsnWI8qV5L+lWeIWu/jTkcOcf5AZ3eb+Qy/mxuBw==
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

2026-09-17T10:52:48.921537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055579
observed 19aa34c258ce74b3479a580f056ae753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:48.906379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055579/manifest.json
observed 2bbfd8c700dc91090235ac6562d15151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:48.891416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055579/publication.md
observed 00c83ff21b33ffde628289f2123ea402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:48.874992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055579/publication.txt
observed f243663dadef2e2c0f26a8f36445c9b1...
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.