OpenTechnical

OT-2026-000055489

Publication integrity record

Single cup vacuum gripper, 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-2026-000055489) never changes.

Identity and time

Publication numberOT-2026-000055489 · never reused
Internal UUID01a0ae86-a102-7344-b9d3-b4213b3c2639 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055489
StatusPUBLIC

Content hashes

Canonical text6e9e8ab874f4c4a464718dfd202e5b3fca8d1a4125bbd03f1d921f5def70987e
Markdownd68b21138419b26f3b357a2ab39122545aa578c85cba46bab70d8fcb5fdde7d2
PDF
Publication page2d31200a5f3c1150914ab2404505df5fdfdf7ff901ba4090184594c9e0c926ea
Manifestf96c49615053951789b836e22d13c3495880a8bbd584b98a38d9c1c9257f0e2c

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
SignatureN426uZxAoTWQ3W3OegUt0z78XFRTR2vknkfyJP3PBWtW5vd/ELp8J7FRbNCS5KV6LyHHc4DQ0ml9EeUha+XNBA==
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

2026-09-17T10:52:09.421795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055489
observed 2d31200a5f3c1150914ab2404505df5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:09.404424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055489/manifest.json
observed f96c49615053951789b836e22d13c349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:09.365389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055489/publication.md
observed d68b21138419b26f3b357a2ab3912254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:09.328462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055489/publication.txt
observed 6e9e8ab874f4c4a464718dfd202e5b3f...
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.