OpenTechnical

OT-2026-000080736

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single 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-2026-000080736) never changes.

Identity and time

Publication numberOT-2026-000080736 · never reused
Internal UUID01a0ae96-b973-7377-87dd-c8de8b6ea632 · 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-2026-000080736
StatusPUBLIC

Content hashes

Canonical text03d9b1d88934d6e6e0e42333e2b63c2efc14c716fa12e753107c28c17b9c41e5
Markdown066b641209888db2878fa3f5245830d38e70d8f0a2bef6269e554ae043011518
PDF
Publication page72b9500c0090908b8fad3066011838807358d10badcf37f20338a560a21eeaf3
Manifestf11a373dd63e31030377ce4336cd559bf8d0a0f306dfc33c69de019b725a4709

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
Signature5eXOWYUZLj+zq54UI1I9vh4ibhAwIIZ8dz/5gHE4JRGsEYgyH6jAOzOAg9EY0IFZ4ZZoSmld4UNjvmuspbBaBA==
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

2026-09-17T10:01:53.596682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080736
observed 72b9500c0090908b8fad306601183880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:53.578548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080736/manifest.json
observed f11a373dd63e31030377ce4336cd559b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:53.558531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080736/publication.md
observed 066b641209888db2878fa3f5245830d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:53.534320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080736/publication.txt
observed 03d9b1d88934d6e6e0e42333e2b63c2e...
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.