OpenTechnical

OT-2026-000059629

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000059629) never changes.

Identity and time

Publication numberOT-2026-000059629 · never reused
Internal UUID01a0ae89-ec24-7095-926d-be226349ccc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059629
StatusPUBLIC

Content hashes

Canonical text50a9a200ecf3ebf8c2c32b28abb1a2d48182b00b216674f452567f5b20913582
Markdown1a2383d163687faf0d6ade07b847e59695ba86a5c342cd559423fd66b7f85e01
PDF
Publication pagebffe4cba7425ce793d9b86f59dcb44914226a6038d77a3aacc82aaa68eaa613f
Manifestb4f6ee7d160761722df93d668c287b0619a8487b4d6abb5db5a50fc08bdffe80

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
SignaturerM6lrIGsvBeyTMCS7hmxzB7CnxpBdF5zv2Vztu1jvmw5LYnly96Ox6cOSyY86C3jOVWOMVLWcfzl5lW+uxVrBg==
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...

Independent retrieval

2026-09-17T10:44:19.073324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059629
observed bffe4cba7425ce793d9b86f59dcb4491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:19.050660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059629/manifest.json
observed b4f6ee7d160761722df93d668c287b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:18.914121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059629/publication.md
observed 1a2383d163687faf0d6ade07b847e596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:18.895090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059629/publication.txt
observed 50a9a200ecf3ebf8c2c32b28abb1a2d4...
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.