OpenTechnical

OT-2026-000060931

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold 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-2026-000060931) never changes.

Identity and time

Publication numberOT-2026-000060931 · never reused
Internal UUID01a0ae8b-12f2-7df7-bdc7-d108438edc6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060931
StatusPUBLIC

Content hashes

Canonical textc199de727ed25641d230a5d9d4e1427f2778d2300c1753a85dd0157f7e727cde
Markdown396bddce6c4ae223cfbd632b2885bc5dad426b84cfe330824f38f0fb5f1d7b7e
PDF
Publication pagee036a10e50b07f1b93b76c6050c0a3f000c7d3344def97eadf595f740ce753f8
Manifest4e1f23d71548c83edda619e75bc6fac2672a8b7b5ed8c61a0cedd3d058e1384d

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
SignatureSDeidEGeu1NEUu3wGNxDvWsNdKDbl2/r7p9wOFcUgYXYgZlbQzQckZEiOLtqZSQPI6Mj1F+6pFLyBsqnoJb4CQ==
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

2026-09-17T10:42:12.124225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060931
observed e036a10e50b07f1b93b76c6050c0a3f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:12.106551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060931/manifest.json
observed 4e1f23d71548c83edda619e75bc6fac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:12.088463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060931/publication.md
observed 396bddce6c4ae223cfbd632b2885bc5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:12.070154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060931/publication.txt
observed c199de727ed25641d230a5d9d4e1427f...
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.