OpenTechnical

OT-2026-000087224

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, 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-2026-000087224) never changes.

Identity and time

Publication numberOT-2026-000087224 · never reused
Internal UUID01a0ae9a-9f2e-7695-bf29-615713524545 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087224
StatusPUBLIC

Content hashes

Canonical textdb3c542ade76f5b1c29a8adbf8c0295a20a877e248856992ed8e944772d4dcc3
Markdown56b5eea15ecbfb34379eb0ab591e5cfbe4497bf7758a0d71d6f831b32b7ce7d5
PDF
Publication page50df08d7bced7b82a58769ea843ca9a85ffed4167e894af13be667135b189810
Manifest106b3ee3a4b88b5ec1291d26e79680555604626e9a8befebda689c6758fe79b6

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/IdvNXDn8zdCFuOvBCUS8VJrT9ouVEtsEDjQO0xJfN4Y3nUPhaM/g7B0OSOVYoF7K1ATY+70Jyl4ZLJ01dFFDg==
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

2026-09-17T09:51:30.441790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087224
observed 50df08d7bced7b82a58769ea843ca9a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:30.423855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087224/manifest.json
observed 106b3ee3a4b88b5ec1291d26e7968055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:30.406162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087224/publication.md
observed 56b5eea15ecbfb34379eb0ab591e5cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:30.387860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087224/publication.txt
observed db3c542ade76f5b1c29a8adbf8c0295a...
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.