OpenTechnical

OT-2026-000050474

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000050474) never changes.

Identity and time

Publication numberOT-2026-000050474 · never reused
Internal UUID01a0ae82-5c48-7555-9724-216071d52900 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050474
StatusPUBLIC

Content hashes

Canonical text98569bea60cefd0fa2b5de754531060db2b2812ef6f10c6718a57243e0c6c680
Markdownb7303f7aeeab94d9de70704cce6712f99399047cd3dbf77fce58fb67b5e63ab4
PDF
Publication page510e106869c87647aee14a7c6d8ecb7e11c14cfef36ce2e04a4c5ea84dd5ace3
Manifest97c9fd47a800496635d3d30d86159608e100e99a94e9ceeed31555ed5e2400a3

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
SignatureWQoghBnFqdrRfxTymbz8WdLwmFAscy7QlXBPAfg1NJj1bggiUTrhZcnLwD87NhUKmcbJ8aB3QIICJolIORddCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:31.645125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050474
observed 510e106869c87647aee14a7c6d8ecb7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:31.628745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050474/manifest.json
observed 97c9fd47a800496635d3d30d86159608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:31.612634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050474/publication.md
observed b7303f7aeeab94d9de70704cce6712f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:31.594579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050474/publication.txt
observed 98569bea60cefd0fa2b5de754531060d...
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.