OpenTechnical

OT-2026-000057346

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000057346) never changes.

Identity and time

Publication numberOT-2026-000057346 · never reused
Internal UUID01a0ae87-d5bd-7fe2-96c4-947c4bf5fabb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057346
StatusPUBLIC

Content hashes

Canonical textd3a45f6f49fcd4d2798787ca06d539b983f87a68a30927a078944eab68cb08b0
Markdowndaee0b3a5c0f6b266f244fea430fc9b1ff0a492a3c6ddbbc0ee951ce3149256d
PDF
Publication page16566e56689cdc884345cfb432493c14f318cd540e9a33242426b6bf4e2e554d
Manifestaca6e4cf625b0befb9f82e1167f275762ffa22e44d23f16956104f67ee9ec883

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
SignatureH5FWLylm1s9vYBaVCelW2X0aYGvFWyewh+P2eILmgS+orB9yKnC8l29r8el+85nWlD55T4QSaI1hYZeZ9At6Aw==
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

2026-09-17T10:50:28.262093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057346
observed 16566e56689cdc884345cfb432493c14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.244303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057346/manifest.json
observed aca6e4cf625b0befb9f82e1167f27576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.225915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057346/publication.md
observed daee0b3a5c0f6b266f244fea430fc9b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.206374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057346/publication.txt
observed d3a45f6f49fcd4d2798787ca06d539b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:37.452380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057346
observed 16566e56689cdc884345cfb432493c14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:37.435420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057346/manifest.json
observed aca6e4cf625b0befb9f82e1167f27576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:37.419995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057346/publication.md
observed daee0b3a5c0f6b266f244fea430fc9b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:37.402279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057346/publication.txt
observed d3a45f6f49fcd4d2798787ca06d539b9...
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.