OpenTechnical

OT-2026-000056829

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000056829) never changes.

Identity and time

Publication numberOT-2026-000056829 · never reused
Internal UUID01a0ae87-7af8-7154-9c93-70efc3e047a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056829
StatusPUBLIC

Content hashes

Canonical text6eb97be2d225bd5919194cc1966ef61de643614bee3466626bc0d884690b6ce3
Markdown613eab61035ee5069e450a1f498c6e66c512597d63f7c49d1f9b08c022196b09
PDF
Publication page30539a82fbe8546906a11b47ec69409909c6d0ba7ba1c7402c9d2920ec4e7ae0
Manifestba6f4a573afae52d16f172abc591c7f7fd9be4ffc551f64b60e6ac34989ce8e2

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
SignatureH4sqLLTXgtO8tAUla1I9G+xtI1heHcs357+4jRfnxrak7lDc9Z699GGt6pST6xgXO+kPs29Gh1vAW7dXDw/wCw==
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

2026-09-17T10:50:19.346164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056829
observed 30539a82fbe8546906a11b47ec694099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:19.325518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056829/manifest.json
observed ba6f4a573afae52d16f172abc591c7f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:19.305369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056829/publication.md
observed 613eab61035ee5069e450a1f498c6e66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:19.285504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056829/publication.txt
observed 6eb97be2d225bd5919194cc1966ef61d...
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.