OpenTechnical

OT-2026-000038544

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000038544) never changes.

Identity and time

Publication numberOT-2026-000038544 · never reused
Internal UUID01a0ae78-2d53-7c21-ac9d-6bfa24cb5083 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038544
StatusPUBLIC

Content hashes

Canonical text9685dfc1c00265fa5e7c21e2c6fe5ba64dbd36c323d882afc6c7f0030755ba76
Markdown205a330ed85bf8dbd20f513210dc281afaa390a80ec73214bcd2068fc6e01eb1
PDF
Publication page4e68d5983a4e07a3f72acd250689dc2bce512f6a1de668b9066d69ddaf173b07
Manifest416fd994a77c700e32dd335524ab56a618540fa224624d4271660e9b77134cb0

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
SignatureBdVMaZhdiHLOOzsz7DZ0IejdoQajCf84B59/vXwlxvfXh4xM1DaoLpGmFOUAUUS6Edo67OgXf0JCi6rlHxUQCQ==
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

2026-09-17T11:22:48.355110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038544
observed 4e68d5983a4e07a3f72acd250689dc2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:48.337763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038544/manifest.json
observed 416fd994a77c700e32dd335524ab56a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:48.319994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038544/publication.md
observed 205a330ed85bf8dbd20f513210dc281a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:48.303079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038544/publication.txt
observed 9685dfc1c00265fa5e7c21e2c6fe5ba6...
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.