OpenTechnical

OT-2026-000065505

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented after set-down, on a tool changer

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-2026-000065505) never changes.

Identity and time

Publication numberOT-2026-000065505 · never reused
Internal UUID01a0ae8e-46f9-701f-9f25-99ff1559a2ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065505
StatusPUBLIC

Content hashes

Canonical text668b681ce2985914761ae0d9cd7c3007b770ac11a0a253fa4ffa92886f99f624
Markdown7aa477ecb971d36d204c971fd2346e882cc6d4ac758e66f89f270a4612bd408b
PDF
Publication page1a675d2ae1729f9b3233c51e72ec88f4a98851ccfff2018b5e943e18cc62967a
Manifestf8227151d111548a986d0b797138388a7de749a2a1b24891136b31dc98ebf280

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
SignatureEmpHiSTDpRRTRHMOD0NLewxUE33dnRzzuiGtqvw++DFAyocoVZUEK7BijH4nruA137Xb3l0CSo/cCLOGr83TAw==
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

2026-09-17T10:33:47.891036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065505
observed 1a675d2ae1729f9b3233c51e72ec88f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:47.870852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065505/manifest.json
observed f8227151d111548a986d0b797138388a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:47.852868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065505/publication.md
observed 7aa477ecb971d36d204c971fd2346e88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:47.837005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065505/publication.txt
observed 668b681ce2985914761ae0d9cd7c3007...
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.