OpenTechnical

OT-2026-000034312

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000034312) never changes.

Identity and time

Publication numberOT-2026-000034312 · never reused
Internal UUID01a0ae75-df0e-7a55-8f4e-dca5044090e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034312
StatusPUBLIC

Content hashes

Canonical text484ca64d5d89bdd70fbd30fe2d7e69ae16466a542a863e34246c890cb3b2419b
Markdown8611fb25b93d74e084b8ff6f1d917f9ab6321c9a8f4471b8537556840ddb8097
PDF
Publication page3a99d94642a214d79a383e5c1d549b1bb38c8069266f2e3e7ba79aff44245631
Manifest6f685b0019b893ce9bcc672b28fca3a899afc48f44b48a6741a90f44c744cb63

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
Signature1w9dqF/L4own6VRJl7/V+dUJdHsGT/2KqLHM6588Mhu9pbZma8umZrmfB0QpHc1zOC+ME1A5K+fem4aoJdDYBQ==
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

2026-09-17T11:31:00.273527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034312
observed 3a99d94642a214d79a383e5c1d549b1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.256438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034312/manifest.json
observed 6f685b0019b893ce9bcc672b28fca3a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.240282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034312/publication.md
observed 8611fb25b93d74e084b8ff6f1d917f9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.223354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034312/publication.txt
observed 484ca64d5d89bdd70fbd30fe2d7e69ae...
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.