OpenTechnical

OT-2026-000068087

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000068087) never changes.

Identity and time

Publication numberOT-2026-000068087 · never reused
Internal UUID01a0ae8f-c4fe-782d-a1a8-2fd74901b316 · 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-2026-000068087
StatusPUBLIC

Content hashes

Canonical text6cdf3d1065bedeb3a69d0dad27513006f37ca58cf32a212f8898aa41531e7e24
Markdown041409bcdd6243f3c30bb9911bfd652d453b5721d7b9e22366c9fe93738d3a41
PDF
Publication page4344d882f97046dd15ad6254e28e9993d8beab06f87c442193b126c0dd016cf7
Manifest3f454aeb98483b34a54c97e5b9e9e15d6777e8bc5f76ffdcf9e2936326cb9fc9

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
Signature4SnKdkhDEB0/ZuYT76doVkETeUtG727BemaRjViR/5ZYblpmjYL4W+6yidThkxSrmw9vo5xRjUWzaY4TgfODBA==
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

2026-09-17T10:30:40.854174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068087
observed 4344d882f97046dd15ad6254e28e9993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.834106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068087/manifest.json
observed 3f454aeb98483b34a54c97e5b9e9e15d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.816786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068087/publication.md
observed 041409bcdd6243f3c30bb9911bfd652d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.798120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068087/publication.txt
observed 6cdf3d1065bedeb3a69d0dad27513006...
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.