OpenTechnical

OT-2026-000037875

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, supply line 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-2026-000037875) never changes.

Identity and time

Publication numberOT-2026-000037875 · never reused
Internal UUID01a0ae77-f889-79fd-adbc-ca0c0cd934cc · 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-2026-000037875
StatusPUBLIC

Content hashes

Canonical textd630bd2a5719d23c958fe501626eca3c3f2adbb4e04ba90300f10ae0eeea9bb2
Markdown636ceaeba86e9cb1ce79b538c7b34d242f1771fefe6ddcebce78a0a9f160320c
PDF
Publication pagefd5c7a2dadd4b3f2e221a2f9aaca1dddf8680033799e1d7ff449496338075608
Manifest8cec3f6de9ee7f1261e57d2ca042d6adb1b9fdbd4b0f765665abeb4e48cf0b8f

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/YzYRTyQcZShmmJwdpZyhKCWUV5goQh0gtwkWMAIcJBXxeZrMFqvv+i+KwhihyEYsYhpOviV3BTnMuNq0UoqBg==
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

2026-09-17T11:23:08.228968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037875
observed fd5c7a2dadd4b3f2e221a2f9aaca1ddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:08.212156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037875/manifest.json
observed 8cec3f6de9ee7f1261e57d2ca042d6ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:08.194704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037875/publication.md
observed 636ceaeba86e9cb1ce79b538c7b34d24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:08.178057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037875/publication.txt
observed d630bd2a5719d23c958fe501626eca3c...
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.