OpenTechnical

OT-2026-000069158

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069158) never changes.

Identity and time

Publication numberOT-2026-000069158 · never reused
Internal UUID01a0ae90-6dcf-7483-9c7b-d4134142a8bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069158
StatusPUBLIC

Content hashes

Canonical text33b9fc93f53dbcb6f4d9b1ac22452d26b57bc405bc777d271a48cb7ae85c7d3c
Markdown5d7fe756e1811d74be26dc8f3d9c7f31e1676c04059c42b612aa0b7f9df325b7
PDF
Publication page38cca186b5d8a1b6b7a111abd024485ecb77c984613d01b32ada99a8b5f09d82
Manifest7b1f7a1a554bb7379720eadd8c82d82a78f59d4358452171090c9bea1cdcc705

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
SignatureduUWCMIN1b1Ge2WWmtA+mT4+zJzxZzCt1hNNukmdldrv7nqMo0ZpXaGMfxW+jcQKSBsSkGX3ZrIkVVd0XMndDA==
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

2026-09-17T10:29:02.699382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069158
observed 38cca186b5d8a1b6b7a111abd024485e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:02.682120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069158/manifest.json
observed 7b1f7a1a554bb7379720eadd8c82d82a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:02.664284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069158/publication.md
observed 5d7fe756e1811d74be26dc8f3d9c7f31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:02.642936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069158/publication.txt
observed 33b9fc93f53dbcb6f4d9b1ac22452d26...
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.