OpenTechnical

OT-2026-000053967

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000053967) never changes.

Identity and time

Publication numberOT-2026-000053967 · never reused
Internal UUID01a0ae85-b3a7-74c1-9f0f-295991c193f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053967
StatusPUBLIC

Content hashes

Canonical textf1cbf91a624cd90e910b90801cae2653d1de9d33e1b9388e83fa1c0b56faaa01
Markdown04720f6526902ecaca1927eb5757feeedca50699ea5df59cb9eb1fde7dc361f8
PDF
Publication pagea300a7ad7f4579286e3ba75d6435a52838d5bab05ff9902cc7058aaed38cbb58
Manifestac77d0278661949a254705af20ad46ed5ed009f0b7a36b06171bbe43f6f40f55

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
SignatureSf3swjH0rgQOco6C4PoYIsuf6XWAfc6QUC2zp4e3DPY0I1zvq+TLQcNKnzXEvhK/stk0feBWgCew+Lw0anAmDg==
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

2026-09-17T10:54:14.672707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053967
observed a300a7ad7f4579286e3ba75d6435a528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:14.648460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053967/manifest.json
observed ac77d0278661949a254705af20ad46ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:14.624079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053967/publication.md
observed 04720f6526902ecaca1927eb5757feee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:14.596911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053967/publication.txt
observed f1cbf91a624cd90e910b90801cae2653...
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.