OpenTechnical

OT-2026-000079892

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line 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-2026-000079892) never changes.

Identity and time

Publication numberOT-2026-000079892 · never reused
Internal UUID01a0ae96-4376-7681-82db-7d2a7868c384 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079892
StatusPUBLIC

Content hashes

Canonical text224cbf9bae81786782701f4af9a2b277b716e158cc23b761dbace3b05d1478e0
Markdown918bd4c2cbd7abc113706c694d1a71e14b7074210d699e63a0362219a7579e2a
PDF
Publication paged49cdd98497bf42f4962a60b8ad29eca42cbc59965f4b2c5dc5e9844f2433756
Manifestfbb63702ce99f4549d72fddafe6dd1f2ee1809350216ab65b1b212be4a1550e9

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
Signature2eq6FOzav7g3jUPkUsc7rNAy1vO6HpkjLiImj6UPumnMi8lmKLNT5I2lBr1lBSO+b79fCfzP6FMVCFZa2fILCw==
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

2026-09-17T10:03:47.172940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079892
observed d49cdd98497bf42f4962a60b8ad29eca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:47.154222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079892/manifest.json
observed fbb63702ce99f4549d72fddafe6dd1f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:47.134958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079892/publication.md
observed 918bd4c2cbd7abc113706c694d1a71e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:47.115191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079892/publication.txt
observed 224cbf9bae81786782701f4af9a2b277...
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.