OpenTechnical

OT-2026-000068908

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000068908) never changes.

Identity and time

Publication numberOT-2026-000068908 · never reused
Internal UUID01a0ae90-6dcc-7a10-9671-110a9df81183 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068908
StatusPUBLIC

Content hashes

Canonical text2c6ae7f5e38e0f2d8df44054588e5c1155d27f07780965c0d0725a0f4ba853ac
Markdownae378b35fb30c13eba9f62f80cbc68d89ec158d95ff070e2ec1869e784471668
PDF
Publication pageb5cd6f1b6c7cb67f91f94e3ae8a930d562ed6b0b64789757a59b6863264e59ce
Manifest0e4137ddc4fc0194e933c11d312ee7ff4e57ac861be68b2dce097d2eaa79d93a

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
SignatureB9kd2ipc1xB+8spKhja//fLdWjm2JTMmZYhJ350mUr7N2Ck9SrgV3OTdxyZ/Nd5TGD8zs5uUjok1upSdUG72Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:43.930429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068908
observed b5cd6f1b6c7cb67f91f94e3ae8a930d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.913514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068908/manifest.json
observed 0e4137ddc4fc0194e933c11d312ee7ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.896722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068908/publication.md
observed ae378b35fb30c13eba9f62f80cbc68d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.879618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068908/publication.txt
observed 2c6ae7f5e38e0f2d8df44054588e5c11...
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.