OpenTechnical

OT-2026-000056201

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000056201) never changes.

Identity and time

Publication numberOT-2026-000056201 · never reused
Internal UUID01a0ae87-4bd1-7cc7-9495-55ec6d4a3179 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056201
StatusPUBLIC

Content hashes

Canonical textecfc5e786b52c4669d1713ab9d3547e726bdb86ae74c99dbb04a66c6de568487
Markdown938b4eb989af74a5eb9a3d74cef968db7a7c3ff75ffa212635a77f2ba82f3c9b
PDF
Publication page8809c3f1295b7083f1a16e45c639caaf0e79b999d99ee447f9399abf833a2081
Manifest0eeb26c94d020852558b49cbd6fd20883aaa8880f01987ae1ef5dc6ff418a484

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
SignaturejSBYdcPh4x2aHot3RH5Gh+hfG9ta50EZGnnAYIV9fituppdp2yt4p4M9Kv2cNfJUBXpnQJGdQ5NQCYtuxwPmAg==
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

2026-09-17T10:50:40.311094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056201
observed 8809c3f1295b7083f1a16e45c639caaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:40.292903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056201/manifest.json
observed 0eeb26c94d020852558b49cbd6fd2088...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:40.274370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056201/publication.md
observed 938b4eb989af74a5eb9a3d74cef968db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:40.256843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056201/publication.txt
observed ecfc5e786b52c4669d1713ab9d3547e7...
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.