OpenTechnical

OT-2026-000053364

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000053364) never changes.

Identity and time

Publication numberOT-2026-000053364 · never reused
Internal UUID01a0ae85-0a8f-7572-82e5-ccf060c52c9b · 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-2026-000053364
StatusPUBLIC

Content hashes

Canonical textc79d4ffb48c44d2c71d85236f134cb34b998a995bedd4d05b2bbf31db62529d6
Markdownd676d3ec1308fe491e4c197b4439a54a9b4b8d14967fa8e789aa086ef19c17db
PDF
Publication pagee1888ac0080ac89ec49077878724f1a64c84c449aa33bd60543fd3a8a91aab1c
Manifest557ce239af02b59a8ec6f5f89f5611142ed51382becdb66b9e732743468c5305

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
SignatureLWP1sTbnKnRAJaik2aMQ3vNALJ7U+sSP1Q1YJWoobUJGFzxlbH9aYRDxzqakNF2ypK1p3RRMfeYWAZSLCiVnCg==
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

2026-09-17T10:55:04.743773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053364
observed e1888ac0080ac89ec49077878724f1a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:04.725194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053364/manifest.json
observed 557ce239af02b59a8ec6f5f89f561114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:04.706833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053364/publication.md
observed d676d3ec1308fe491e4c197b4439a54a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:04.688805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053364/publication.txt
observed c79d4ffb48c44d2c71d85236f134cb34...
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.