OpenTechnical

OT-2026-000056061

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000056061) never changes.

Identity and time

Publication numberOT-2026-000056061 · never reused
Internal UUID01a0ae87-0a4b-7ed8-b775-1f61258b6f1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056061
StatusPUBLIC

Content hashes

Canonical text1ebace16d52169fca38797f713f2f1dd1e63ce1af910c4de7c5f90f2cb68bc6c
Markdown3795a3633664791b9377927dd19805bab054b5b5c5166ddd9b624b9713860fdd
PDF
Publication page6d9856d22e69928501c7be05b4ff8aa79b51e7f57fe8f70f431eb3b03dc340a6
Manifest76079b980d20eebbafd511017dfeac06199acd938914d838fc822801b1bff368

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
Signaturew2VRIl50eylwT9jXEZ+aahD9UhQaNc+G0FV9HXMnJWX74JYfpSVw+v/tVSUFsDE5bJFG3degX8W+MGN4tMATDQ==
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

2026-09-17T10:51:35.760586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056061
observed 6d9856d22e69928501c7be05b4ff8aa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:35.743508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056061/manifest.json
observed 76079b980d20eebbafd511017dfeac06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:35.726907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056061/publication.md
observed 3795a3633664791b9377927dd19805ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:35.708999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056061/publication.txt
observed 1ebace16d52169fca38797f713f2f1dd...
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.