OpenTechnical

OT-2026-000061928

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000061928) never changes.

Identity and time

Publication numberOT-2026-000061928 · never reused
Internal UUID01a0ae8b-b8ad-7a11-ac3e-9bcabbbca2e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061928
StatusPUBLIC

Content hashes

Canonical textdd63e4de631ebfb1a0600c472d255be4ece62895d9f594c6e4a4a9181b3c26e4
Markdownfc1b2523e7e85e172dd328e3e8bab1bb738e2c89f67f4923c9e7740a44a12a4b
PDF
Publication pageb0ef6b26547967de745e9207b473ca8fba5598c35188b5c9ab5aa979db7cc910
Manifest84bcd7944548718ff47c9cb1208cea8264f7438538c376a8a9f13ad0bc5b2919

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
SignatureoyPgRySQERvz8PPLyDbs0ONFaUeSK2jiMtRc7HfhjlM3liLD1pHGqzwFVrzAlYShlrVfl/cNYo+RMYAxBdH0BA==
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...

Independent retrieval

2026-09-17T10:40:48.962055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061928
observed b0ef6b26547967de745e9207b473ca8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:48.935215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061928/manifest.json
observed 84bcd7944548718ff47c9cb1208cea82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:48.914085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061928/publication.md
observed fc1b2523e7e85e172dd328e3e8bab1bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:48.895151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061928/publication.txt
observed dd63e4de631ebfb1a0600c472d255be4...
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.