OpenTechnical

OT-2026-000075882

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump 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-2026-000075882) never changes.

Identity and time

Publication numberOT-2026-000075882 · never reused
Internal UUID01a0ae94-29ff-7125-b315-bebe1d63a521 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075882
StatusPUBLIC

Content hashes

Canonical textb1b5506901d2d9cf57babb440f5335c4027cde4e1f65c412d9fc9ba079f100ed
Markdowne3b025ae297668f8f9ea5cec297b7b024100fa3c51ef561d6315fc22079e2cb0
PDF
Publication pageab98234ba14848a640241c7f7839edac1d3ea3cf7a90e5eb98c9700b7f4259f3
Manifesteac1d73a71f0e66776fb40c2b5732dccfe8ed48e42520704c27ec13fc08f9996

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
Signature38MpTlyk9R3mI2yQUt6LO5LjFMy55BIiSApqrVpJ6R+8omFbiSuc+4ItRDSC+HRNPRLHQcEbu0O2oJbayqo6Cw==
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

2026-09-17T10:14:39.549435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075882
observed ab98234ba14848a640241c7f7839edac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:39.531205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075882/manifest.json
observed eac1d73a71f0e66776fb40c2b5732dcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:39.513190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075882/publication.md
observed e3b025ae297668f8f9ea5cec297b7b02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:39.496353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075882/publication.txt
observed b1b5506901d2d9cf57babb440f5335c4...
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.