OpenTechnical

OT-2026-000055074

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000055074) never changes.

Identity and time

Publication numberOT-2026-000055074 · never reused
Internal UUID01a0ae86-5e81-772a-bf10-27a11b537754 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055074
StatusPUBLIC

Content hashes

Canonical textd6f8db01bd4d85ea069f39aa7b0469729edd4a0084873475117dc552f5615b6f
Markdownd4884c8d9670343da029e620d1d5cf19d7badcb2a545ba13d15766f906f5f306
PDF
Publication page7b3d30edbf656a04f09d15a13a166a36f981de2ab870938a0268223d25ee00d5
Manifesta8a6e4ab3f21e34b26d98e3d4cb0d9f9ced2835ce75e34847742276a7164b90e

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
Signature2MVQ5mWUfpob3fj2Q+1pZfhtr6PPh1+CWdLQCvd/+I6JtpqjQ+slj2YX3NtvzRXmkOfwN07VuE5r9PIa2PJLCw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:13.598683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055074
observed 7b3d30edbf656a04f09d15a13a166a36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:13.579788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055074/manifest.json
observed a8a6e4ab3f21e34b26d98e3d4cb0d9f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:13.561253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055074/publication.md
observed d4884c8d9670343da029e620d1d5cf19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:13.543839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055074/publication.txt
observed d6f8db01bd4d85ea069f39aa7b046972...
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.