OpenTechnical

OT-2026-000026716

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two 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-2026-000026716) never changes.

Identity and time

Publication numberOT-2026-000026716 · never reused
Internal UUID01a0ae71-f4ab-7c5c-9da7-43d2cfcdd638 · 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-2026-000026716
StatusPUBLIC

Content hashes

Canonical texte80a38d05d975f4e7df94ca4953650039b4be4a72ac290f390ea262f8b292008
Markdown80de73073d242d4f443e36259ecd3e1969d79ffe54d503556f05d8b26bd8dff5
PDF
Publication pagecfe9a37fe90ea24d814131ef24f058889fb26cf563d39cacf447f6e4c822f641
Manifest6393488ae3e5f96f78252e0d274ef69d325eca77c27c1e18a3261d36673fb78e

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
SignatureJcL9vBA1jgU1bwP66Szi/2NbKmCreQ9SeVf0/MrO4IhaE1CxRveie7o+Vgz+wWXxfYTWovZTcxvjUoolsrzgCQ==
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

2026-09-17T11:45:48.765383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026716
observed cfe9a37fe90ea24d814131ef24f05888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:48.746970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026716/manifest.json
observed 6393488ae3e5f96f78252e0d274ef69d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:48.723351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026716/publication.md
observed 80de73073d242d4f443e36259ecd3e19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:48.705378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026716/publication.txt
observed e80a38d05d975f4e7df94ca495365003...
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.