OpenTechnical

OT-2026-000060875

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single 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-2026-000060875) never changes.

Identity and time

Publication numberOT-2026-000060875 · never reused
Internal UUID01a0ae8b-12f0-76b3-b472-71cf3840c504 · 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-2026-000060875
StatusPUBLIC

Content hashes

Canonical textb63e1a3bf8076c9f9bdc3c13519908d948de941690a23859d1a8c6bb783e695a
Markdown253bdc37878c9103fe3829d30c24c5ba8280c2f0ef78a98b819e5728a9582e28
PDF
Publication page0456cc61a0864f7bf5a58acaab7e70aa35ed823b867797e97f147cf8afc4246c
Manifest739bc13d728e124529c2d1f3acaee11fc41e8a8fe640519362cb9198e4c97d40

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
SignatureC4bxbR8Ik1iRyHQWKYsfpD9wtBATmfVAXI6HDiD9bjiK4KCRZgZLrfyOlcTGoTZm1MwECSwNvCmO9WZ/uYFABw==
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

2026-09-17T10:41:36.380180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060875
observed 0456cc61a0864f7bf5a58acaab7e70aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:36.363034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060875/manifest.json
observed 739bc13d728e124529c2d1f3acaee11f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:36.346012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060875/publication.md
observed 253bdc37878c9103fe3829d30c24c5ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:36.328529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060875/publication.txt
observed b63e1a3bf8076c9f9bdc3c13519908d9...
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.