OpenTechnical

OT-2026-000079528

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000079528) never changes.

Identity and time

Publication numberOT-2026-000079528 · never reused
Internal UUID01a0ae96-0b91-7476-bcae-8696dd22e616 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079528
StatusPUBLIC

Content hashes

Canonical text11a4abab43fb83c4291746a6b993a2bf0ffc6b49315d236d63083120215b1a3f
Markdown02e4bd65f1168bab978448b5ee6fb8e1ce482b48e6bd22c1e6fb20c02111452e
PDF
Publication page85ab84605a74fcda7c69adcf01152f5c066ab19b6526603c01285ecd1005b8eb
Manifestddbea6cae1013b224c5a5632a1f92be8f95fbdc08928b416a109660fc87c0d03

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
Signature0CceUFaApW827RjGVd/xOHCt1W+3+cVV1BZGAlSdNOc/LgjkdyCAITwIXv1ly5xPCa19ibgb00VMVbmC1r29DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:10.417923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079528
observed 85ab84605a74fcda7c69adcf01152f5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.400423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079528/manifest.json
observed ddbea6cae1013b224c5a5632a1f92be8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.381744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079528/publication.md
observed 02e4bd65f1168bab978448b5ee6fb8e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.364058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079528/publication.txt
observed 11a4abab43fb83c4291746a6b993a2bf...
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.