OpenTechnical

OT-2026-000086320

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, sustained 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-2026-000086320) never changes.

Identity and time

Publication numberOT-2026-000086320 · never reused
Internal UUID01a0ae9a-2c96-7c2d-bd13-cbd178ace272 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086320
StatusPUBLIC

Content hashes

Canonical text5b1593ffbd5dfb9b723ba97b4a71e2217bea10b24d3ae68490b7cf9d5bbd1bdb
Markdowncdf11b0386375910200b31387481843e6fc037776b56a0939f005ef0c190c862
PDF
Publication pagec07966eea4bb7a04d3304d975f3173f3051bc0e1a40646243d7fe02731f1232d
Manifestab1ddbe5e6241b96cba7a711a7a8c02beff671d1e018f6d6b83a9bb92949445e

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
Signature1w9HjgHBf31J9/oJWkwELDsATRdBTviQ2vRNd1VpK5/9/t31X+8XBey9/mVdRjPLSBIGD+LO6BqshguKNGCxAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:00.415671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086320
observed c07966eea4bb7a04d3304d975f3173f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:00.398862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086320/manifest.json
observed ab1ddbe5e6241b96cba7a711a7a8c02b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:00.380169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086320/publication.md
observed cdf11b0386375910200b31387481843e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:00.362017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086320/publication.txt
observed 5b1593ffbd5dfb9b723ba97b4a71e221...
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.