OpenTechnical

OT-2026-000068209

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000068209) never changes.

Identity and time

Publication numberOT-2026-000068209 · never reused
Internal UUID01a0ae8f-c4ff-7373-b727-61c0142f2038 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068209
StatusPUBLIC

Content hashes

Canonical text935300040c950d16b11e534479ab9f11d7e6db8e7ea36a048799415866be2466
Markdownb364d96362aee6b90793b0e3c844b2e50a35098dfd33b023ef7ce750d85d553c
PDF
Publication pageb525a98186807cf35f448abdfe87764639bd36719bd7d9c8d03034ff5494997d
Manifestdc0c08e8dbdf95475e9f3c33f470ad640873ff51cdd30deee909b9a95320b490

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
Signature1tLwLCkvdmzKYw7KoiIxLapf9idEblsWIZkOcCWsQrDUqGNEA17k1cHM953a2f8/4dFUWeNT13JOM4gwYm0HAw==
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

2026-09-17T10:30:52.333690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068209
observed b525a98186807cf35f448abdfe877646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.315786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068209/manifest.json
observed dc0c08e8dbdf95475e9f3c33f470ad64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.298170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068209/publication.md
observed b364d96362aee6b90793b0e3c844b2e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.277515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068209/publication.txt
observed 935300040c950d16b11e534479ab9f11...
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.