OpenTechnical

OT-2026-000017633

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000017633) never changes.

Identity and time

Publication numberOT-2026-000017633 · never reused
Internal UUID01a0ae6e-96f9-797b-b32d-042441eed448 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017633
StatusPUBLIC

Content hashes

Canonical text0d818e64021252c3c1947f0270fb20530d688f5ae4db14d9f03af42fc868a027
Markdowne970be4d351ccea5ef918f6bc573b97c27a89252505565d85c4c70e0de6d9400
PDF
Publication page6fcb8fef20906d9eae9a0c06c6ee06ade103aec7b0ad8ead0df1117e81a44e10
Manifest8123b9c697c243afcb34ba3c8db2940bdb07a6dc80bcccf78339afa5bb12f195

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
SignatureM4kWyHpAo3XqifSZBlpXgwSgTI12IJjWZunsa1lgR0fZLVS8HKDsFN3Kgh676gJPmtpCGRsCYBv4FLtA8/WZCw==
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

2026-09-17T12:01:26.777101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017633
observed 6fcb8fef20906d9eae9a0c06c6ee06ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:26.758335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017633/manifest.json
observed 8123b9c697c243afcb34ba3c8db2940b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:26.739213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017633/publication.md
observed e970be4d351ccea5ef918f6bc573b97c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:26.720602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017633/publication.txt
observed 0d818e64021252c3c1947f0270fb2053...
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.