OpenTechnical

OT-2026-000055103

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000055103) never changes.

Identity and time

Publication numberOT-2026-000055103 · never reused
Internal UUID01a0ae86-5e81-749b-81a5-bacdaddb9fc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055103
StatusPUBLIC

Content hashes

Canonical text16408cebd10a768a9d29c10b775223e19525c16e1e56b7f59a3a2252364f1b02
Markdowna3bb4b954fabf4d36de5c0f9a35e3915eccf11df260eedea65ae640b5c76a030
PDF
Publication page9f7779454131c22a968bdbdfcbc709346ff11662e2b0c9e71571c2bac96cbf35
Manifest16e2b2396d243d0c98e5ddfe7c4a6a4c7303c8f0e70cef1b914c78795f06e535

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
Signaturejpe7lx885bNJ0aGgrLDhwAYvc8K2WZLbK6S7RXADg51u3P7kEB1c1TAWfakeOyUfceaIjAXx3ntujCi4xw7XAg==
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

2026-09-17T10:53:15.831375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055103
observed 9f7779454131c22a968bdbdfcbc70934...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:15.811397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055103/manifest.json
observed 16e2b2396d243d0c98e5ddfe7c4a6a4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:15.791735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055103/publication.md
observed a3bb4b954fabf4d36de5c0f9a35e3915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:15.772395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055103/publication.txt
observed 16408cebd10a768a9d29c10b775223e1...
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.