OpenTechnical

OT-2026-000011340

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, 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-2026-000011340) never changes.

Identity and time

Publication numberOT-2026-000011340 · never reused
Internal UUID01a0ae6c-88fe-78a3-b7e3-20026c4f7b9a · 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-2026-000011340
StatusPUBLIC

Content hashes

Canonical text37a78e7001c90c596a0cc7aeb3451747678b5df3149c6fb5430f4438a545b4e2
Markdown2cbeda5425f786e81cc3ded838e1fec163b281f6a818e03769d9bc6075c10ec0
PDF
Publication page50f8eefd732e729b136425af81f2b72cce2cbd9ea4eaf893c4319661429eb0b7
Manifestf910660e89bfc6d12335477aa861af7333182290a5e41b9c033f33df715a11bc

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
Signature2C+0mVtKeQKk8yUNb+M5ub/Mywl5I7q+6OJ17PDJuCZ9N0FdGeIL1YyyfPQ3q6B27AvMaDUJz/ez5agRMfiUCA==
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

2026-09-17T12:13:04.130080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011340
observed 50f8eefd732e729b136425af81f2b72c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:04.109864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011340/manifest.json
observed f910660e89bfc6d12335477aa861af73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:04.091985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011340/publication.md
observed 2cbeda5425f786e81cc3ded838e1fec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:04.073181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011340/publication.txt
observed 37a78e7001c90c596a0cc7aeb3451747...
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.