OpenTechnical

OT-2026-000015554

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000015554) never changes.

Identity and time

Publication numberOT-2026-000015554 · never reused
Internal UUID01a0ae6d-ef4b-7a7c-868e-f66998a8bfe9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015554
StatusPUBLIC

Content hashes

Canonical text0fb2f908892049eb7159140cbcd011123ba5ec5c4ba80aa3f0be041d532df8f7
Markdown25f7a4633e5c57d0d4fcf77f247a09f618ec2b74602996993f6380e6b12f6dc3
PDF
Publication pageed909d6c0a57fc8ef7e74af5a15d32b467b547a970563c7b0979403e673e3510
Manifestba81e1a31f5ea6e587aa0bd9bb61e45a813ec92bde24d2d0948ad333ed19dc09

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
SignaturebTTHGmY4JXAMKWK3N1iz2KTjaIuhCeFh0OclNIBxWlWc/itzLhLp/IyORFgK5Z/FYS4q9GqE0bxxCw+eFlK7CQ==
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

2026-09-17T12:06:20.449795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015554
observed ed909d6c0a57fc8ef7e74af5a15d32b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.430617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015554/manifest.json
observed ba81e1a31f5ea6e587aa0bd9bb61e45a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.411274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015554/publication.md
observed 25f7a4633e5c57d0d4fcf77f247a09f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.391755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015554/publication.txt
observed 0fb2f908892049eb7159140cbcd01112...
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.