OpenTechnical

OT-2026-000079443

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000079443) never changes.

Identity and time

Publication numberOT-2026-000079443 · never reused
Internal UUID01a0ae96-0b91-7c3d-a445-ac4e9e06d63f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079443
StatusPUBLIC

Content hashes

Canonical text38f05839582e0b61f004052739473c5f15de3cef850a1745dd414ead94c3e7ef
Markdownfcb584d6cb60d9d1a9517bf5c803e8ddea6841e512b11a636fb46fb21a0e1a20
PDF
Publication pagee66e86ebc968874768785ed7b33c2bf1bc303a190613cd34188de6acb1744aad
Manifest0e14ed9690238340a11bc18b377812ab5c8a488a6e270475e9c2c20a4a09acb8

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
SignatureYarcaqXU32NKG5EQUNCfmWGFoRRt6qxBj8W3V2Eotx1dbzSHxN6uo2TD+MlEXMi89b4oIgNhWY9xD8Wt4LZSDg==
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

2026-09-17T10:04:44.164155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079443
observed e66e86ebc968874768785ed7b33c2bf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:44.148184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079443/manifest.json
observed 0e14ed9690238340a11bc18b377812ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:44.130960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079443/publication.md
observed fcb584d6cb60d9d1a9517bf5c803e8dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:44.113749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079443/publication.txt
observed 38f05839582e0b61f004052739473c5f...
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.