OpenTechnical

OT-2026-000053397

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000053397) never changes.

Identity and time

Publication numberOT-2026-000053397 · never reused
Internal UUID01a0ae85-0a8f-7324-b36e-b32c21da4382 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053397
StatusPUBLIC

Content hashes

Canonical textc038d476c93fdb519cad9b0d28924b0bd3e3966616c6f36de3ebe456a835ef2b
Markdown35c3633362645fad82e3e900877ca8240130798dc62e4d1b9e6554e624c77b84
PDF
Publication pagee823ca69cec294b03faacc00cb81fcafe9e303a88c5b2980ec59b927eabe370d
Manifestc622d5d37feddb2ed3a31f86aa165f2b6344ffba3c2746bbeae1c7f1f0ebb708

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
SignatureQ2yCGCDDR3SMp7Ijm0fzkAkYDIDMZKhITh/7q2wSsit4aJ4asNs6d35uIcEyYcuJtH6P9fSn1v8lREmccX+qDw==
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

2026-09-17T10:55:07.380059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053397
observed e823ca69cec294b03faacc00cb81fcaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:07.362793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053397/manifest.json
observed c622d5d37feddb2ed3a31f86aa165f2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:07.346727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053397/publication.md
observed 35c3633362645fad82e3e900877ca824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:07.328665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053397/publication.txt
observed c038d476c93fdb519cad9b0d28924b0b...
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.