OpenTechnical

OT-2026-000011490

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000011490) never changes.

Identity and time

Publication numberOT-2026-000011490 · never reused
Internal UUID01a0ae6c-88ff-7a0f-9541-be781e3d78b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011490
StatusPUBLIC

Content hashes

Canonical text66985b54d311149dac6602bfb601a7657f0495ffb457de14f64348ee9d7f219d
Markdown8dbb410aec0d9769e2d6d158c3ff4e8088b3a7eb63993df435a257b774310b4c
PDF
Publication page0d028b2240181cabedeb168137edc4ba0fcb4487450c5cdd30e761e8df80255f
Manifest374dbd75e977be5ac5753dba09e5031edeeb73374dbfa912a7eb76a8b20f238a

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
Signature5OirnysnlPu0jA7SOEjE57ZyVP5diIg9UedcMMyuOUCBAeKiNZfp4V4nhwqXbJUWPqla/BxlMwxzfRfoJ5WYBg==
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

2026-09-17T12:13:15.847798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011490
observed 0d028b2240181cabedeb168137edc4ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:15.829569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011490/manifest.json
observed 374dbd75e977be5ac5753dba09e5031e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:15.810196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011490/publication.md
observed 8dbb410aec0d9769e2d6d158c3ff4e80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:15.791650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011490/publication.txt
observed 66985b54d311149dac6602bfb601a765...
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.