OpenTechnical

OT-2026-000055599

Publication integrity record

Three cup 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-2026-000055599) never changes.

Identity and time

Publication numberOT-2026-000055599 · never reused
Internal UUID01a0ae86-a103-7fab-bc43-e321a2ac4f19 · 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-2026-000055599
StatusPUBLIC

Content hashes

Canonical text407ef3224dac22091497508c237cc2eafa2880f83ceafcff98d0609e33af84fe
Markdownf23bfa0fbcce7394e6ff226ca27e37a21c997bd5ae18932d9c5cb0c95b0fbb7c
PDF
Publication page51b98bd39b383fd8f38e10f3dff13c371a90777afbf2d04c2cba3485f9c5d403
Manifest72638872b526de4c4466f63464e63e9e2cdc65af855684757ebd75b4d040d5ba

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
SignatureVAw3L4WFLEsofCee70qQWkUAh6SZhlbNtmyr0aTEy1N9og9vgmUX71VuIQauAsolz07uB9qb6VPS+AFclS3hDg==
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

2026-09-17T10:52:50.384616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055599
observed 51b98bd39b383fd8f38e10f3dff13c37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:50.367382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055599/manifest.json
observed 72638872b526de4c4466f63464e63e9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:50.351414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055599/publication.md
observed f23bfa0fbcce7394e6ff226ca27e37a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:50.334710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055599/publication.txt
observed 407ef3224dac22091497508c237cc2ea...
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.