OpenTechnical

OT-2026-000053723

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single 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-2026-000053723) never changes.

Identity and time

Publication numberOT-2026-000053723 · never reused
Internal UUID01a0ae85-735c-7b3f-b812-a8ec3c2385e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053723
StatusPUBLIC

Content hashes

Canonical text0b45c0add8d8409c4143082388f4c9b42d486504bd4c3a15ab3112ff8c3d96a1
Markdownc64deee1f66f956036656e62d38a5ab1f03a7f801b34e1b93db7df4f5ef4beae
PDF
Publication page1636400e430d2844140790269afef80bc3f77bf9bb106783b738fadb7012df00
Manifestbaecc5b7c0544c312e30fd0656949a6b5a001fb60be6eed91a38a066e2cfaec9

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
SignatureDA+v1P+fvLTOLw3p94ItbEr37LHTiU3rQwNnV2sxyG02Ih67u7AfUKyf1LEKdVdb6y9c2+YNHIbhXVF+vMK1Aw==
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

2026-09-17T08:40:17.497149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053723
observed 1636400e430d2844140790269afef80b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:17.476685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053723/manifest.json
observed baecc5b7c0544c312e30fd0656949a6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:17.337735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053723/publication.md
observed c64deee1f66f956036656e62d38a5ab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:17.319143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053723/publication.txt
observed 0b45c0add8d8409c4143082388f4c9b4...
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.