OpenTechnical

OT-2026-000060397

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, vented after set-down

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-2026-000060397) never changes.

Identity and time

Publication numberOT-2026-000060397 · never reused
Internal UUID01a0ae8a-b7cb-7ccb-b10d-36aa7c49512d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060397
StatusPUBLIC

Content hashes

Canonical textaeea13fb9ec0f1c043505978d3b1c6489ad7faf577f9de82f35eb6f305fa691f
Markdown699fafe3abb438cdbd9186c24e440fdb764a63ad73f73ca2279ace3ab76e02ee
PDF
Publication page8590250eedb16b7dc827985ca50dfd516dadd863b4398e54d9bb07a91118696f
Manifesta479252c913ca6b2d4063ac174f54d0d0259338f7deeaf1a540894c144313d6b

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
SignaturezaQ7PgWQDPKbPZAqRt4opyQUh8Bi7O0A42sJynhM4r9BGU9IQb5Hk8hbwtsTYav2BPOH3LSoE312jA27VtiFDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:51.945671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060397
observed 8590250eedb16b7dc827985ca50dfd51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:51.927590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060397/manifest.json
observed a479252c913ca6b2d4063ac174f54d0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:51.910137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060397/publication.md
observed 699fafe3abb438cdbd9186c24e440fdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:51.892140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060397/publication.txt
observed aeea13fb9ec0f1c043505978d3b1c648...
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.