OpenTechnical

OT-2026-000026526

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, manifold 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-2026-000026526) never changes.

Identity and time

Publication numberOT-2026-000026526 · never reused
Internal UUID01a0ae71-f4a9-7b18-98a0-01e08b391fb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026526
StatusPUBLIC

Content hashes

Canonical textd55607bebd13e8ea0b831a2d186bb0e377bfb883370cab04771ec10289b7c0be
Markdown69b32dd348f1eedc00ce3cb8ecc97cce9891b1931b5cffd597f9bb52ee16bee8
PDF
Publication pagebe7a71d3b1c3ee1e6101242d36ab8fd606bb16f7728722e08c53733d24fb9948
Manifest1b8d5c85c86325f103a34d1c21343ecb8dcbf93f364db467829629505bd50459

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
SignatureHTk10E2cq8CujSx7+OJmnC15IWiHUFnp7srTsZiXDhmHFrnbbtctmb6qMm3K/YYTnBQfWxeEV/dJp44zxTxjCg==
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

2026-09-17T11:44:39.326930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026526
observed be7a71d3b1c3ee1e6101242d36ab8fd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:39.311047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026526/manifest.json
observed 1b8d5c85c86325f103a34d1c21343ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:39.290732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026526/publication.md
observed 69b32dd348f1eedc00ce3cb8ecc97cce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:39.270827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026526/publication.txt
observed d55607bebd13e8ea0b831a2d186bb0e3...
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.