OpenTechnical

OT-2026-000101492

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000101492) never changes.

Identity and time

Publication numberOT-2026-000101492 · never reused
Internal UUID01a0aea4-0e14-72ab-8183-5f85775d2d31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101492
StatusPUBLIC

Content hashes

Canonical texta44ac6fda7d5077d011c6fb052e34120be00c215ba9141b46768f2a320a88588
Markdownf6b01f537932707e2815211bb3958b289e66919a2f0027b36b36ca32c7ca4567
PDF
Publication paged0b0595676076e970307339872cb2c4add16ff94046fa70222c52d96e996b17f
Manifest269f53e15703716695b6300ef273ccdc8d0338a4bcb1d95dbc5e28c7d62abfe3

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
SignatureqUpzPvxRURW1fX7HL91CXjOCT//ML4qNiH3ne3tqEletIIFtEFJAUmlnTX4rON6cD+Eb5pjNj4I2704rqiMHCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:04.963731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101492
observed d0b0595676076e970307339872cb2c4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:04.945855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101492/manifest.json
observed 269f53e15703716695b6300ef273ccdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:04.927149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101492/publication.md
observed f6b01f537932707e2815211bb3958b28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:04.905703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101492/publication.txt
observed a44ac6fda7d5077d011c6fb052e34120...
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.