OpenTechnical

OT-2026-000026498

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000026498) never changes.

Identity and time

Publication numberOT-2026-000026498 · never reused
Internal UUID01a0ae71-f4a8-7731-9f92-3bc772328e8c · 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-2026-000026498
StatusPUBLIC

Content hashes

Canonical text2bae6fb28c39fb4e8739234c33b80d76f8f6f653f096cb466a851e7fb73eb19e
Markdown894aeb70df606e9e28b41b3806a7e7ef4b039f5245472358b4634158778dbf1f
PDF
Publication pageebd8eefc0cd91eafb063074d6557102cd55d2cba393e54dc3d6a1b5a260af032
Manifest9ebd1745d5755810b27d5b185bca367d098961d1fb1d4f9fe82fd0dd4f2c6a31

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
SignatureajDtj73hGfcTYwYPTHtR04w/rW8ajli59D5YrjCsLxnUAWEu5OmSeYTM7CNQc1j9Eecji5RlHWG3VJLrHEsECg==
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

2026-09-17T11:44:37.731165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026498
observed ebd8eefc0cd91eafb063074d6557102c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:37.713747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026498/manifest.json
observed 9ebd1745d5755810b27d5b185bca367d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:37.696728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026498/publication.md
observed 894aeb70df606e9e28b41b3806a7e7ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:37.680541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026498/publication.txt
observed 2bae6fb28c39fb4e8739234c33b80d76...
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.