OpenTechnical

OT-2026-000038132

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000038132) never changes.

Identity and time

Publication numberOT-2026-000038132 · never reused
Internal UUID01a0ae77-f88b-7894-a67c-edf6608e91f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038132
StatusPUBLIC

Content hashes

Canonical textf121c3601e9fbf4d8a95d21199d73009c08d6f637fb1c03845ced701f4db3081
Markdown1c9b2042a2cf65e89ae14f6337ff2bd10af91d77882b832e38d98df03a0e7324
PDF
Publication page70a9b269560bca254f73f3fff8046fe08e03d1b31a590673c4ee2ea18d98687c
Manifestf19462ac1d67855c449a1e966825639872df62bca54ef1f3fa5885e41674adcd

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
SignatureYSOK4tztCFV7SByKNDP/W2jg5971OQyL6EVRCV+vcI7qVk6cIMyJojwO29XMPcfhRvdFF8Zy8yym+BedBJ5+Cw==
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

2026-09-17T11:23:28.601379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038132
observed 70a9b269560bca254f73f3fff8046fe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:28.583032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038132/manifest.json
observed f19462ac1d67855c449a1e9668256398...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:28.565144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038132/publication.md
observed 1c9b2042a2cf65e89ae14f6337ff2bd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:28.546127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038132/publication.txt
observed f121c3601e9fbf4d8a95d21199d73009...
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.