OpenTechnical

OT-2026-000080738

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, manifold 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-2026-000080738) never changes.

Identity and time

Publication numberOT-2026-000080738 · never reused
Internal UUID01a0ae96-b973-72e3-bc04-48b86b3d438a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080738
StatusPUBLIC

Content hashes

Canonical text6c79c64bdc12555c729319308cf983d463bb38463dddacf3b88134ba6ff26055
Markdown8c6fe65cb41ab3e12e27da404288ddb7880777f8e147475676c0168535a3c1ff
PDF
Publication pageed89ee7d7570b1602d84a318060e4d5c2453da49e477175779983ac33f9a5fd6
Manifest9a66b3ebca4e207dd74aed5ddb1348fdfcd492b0274d96259f563fb86efe7c91

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
SignatureGyU1gIWZoGmYGXSQLCGh1kYFsVgrG0pYhXkMmdSIr1oVlmFG4n23UEw6zFGk3SGCvPlOY2Gk+mrzQIBEL1NSCw==
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

2026-09-17T10:01:53.748677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080738
observed ed89ee7d7570b1602d84a318060e4d5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:53.730037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080738/manifest.json
observed 9a66b3ebca4e207dd74aed5ddb1348fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:53.711733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080738/publication.md
observed 8c6fe65cb41ab3e12e27da404288ddb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:53.693951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080738/publication.txt
observed 6c79c64bdc12555c729319308cf983d4...
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.