OpenTechnical

OT-2026-000073996

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented 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-2026-000073996) never changes.

Identity and time

Publication numberOT-2026-000073996 · never reused
Internal UUID01a0ae93-2b8f-794c-af67-7d738f83b608 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073996
StatusPUBLIC

Content hashes

Canonical text0e7a032b596453ef865abeaff853e3fba734a25e0ce10843a78b9971979fd1de
Markdown66c0650568d306d2ff6b810ba9fe7ab3cac41a1c3494fc8e2ae839497e8da436
PDF
Publication page67cf10bd19df3a6e184fdb3aa9d5e4461cf5465b49c959f3d96853a6e97190c8
Manifest5d9993d67a219e393769ee6df30a0b4030ae430e948118ff6f4934842bd45ae7

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
SignatureHqRfQDNzhzDQBS7jkDW/n6WCC/As5fRFYTQ8qlIfksun1I8BqHC/5iXRV1ikP+AU+e4OvLeMnQm9JRUOKTWvBA==
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

2026-09-17T10:19:53.763068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073996
observed 67cf10bd19df3a6e184fdb3aa9d5e446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:53.743840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073996/manifest.json
observed 5d9993d67a219e393769ee6df30a0b40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:53.723542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073996/publication.md
observed 66c0650568d306d2ff6b810ba9fe7ab3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:53.703581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073996/publication.txt
observed 0e7a032b596453ef865abeaff853e3fb...
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.