OpenTechnical

OT-2026-000026012

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000026012) never changes.

Identity and time

Publication numberOT-2026-000026012 · never reused
Internal UUID01a0ae71-a83f-7e88-b020-80cb3f003d22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026012
StatusPUBLIC

Content hashes

Canonical textc722204f3e96be88fdc50e5b6efc10dfb67205bcee9b585a616341b452bb7c59
Markdown973b883c74aeccc219110469ca297ae43ffc3fb62419e784171a227b0b3456db
PDF
Publication pagea76dc48573faaa4bc0cb0a64dbd58477c371310cafe8babd20f2e5ae3e4f07cc
Manifest0d26f95d2a9ee14ae9d8c7b6df410a68a3f463317ba3d5ec7c7a256475023c32

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
Signature+PlfVfK0/OhlWDeoMdKMUzNLDq2jmeT6nhEwbb1ZMT/cBIKWrrVB07Yis1sBjjVCG4f0/RumczKCgdI9ZmHqBA==
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

2026-09-17T11:46:23.586850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026012
observed a76dc48573faaa4bc0cb0a64dbd58477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:23.569400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026012/manifest.json
observed 0d26f95d2a9ee14ae9d8c7b6df410a68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:23.551261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026012/publication.md
observed 973b883c74aeccc219110469ca297ae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:23.533543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026012/publication.txt
observed c722204f3e96be88fdc50e5b6efc10df...
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.