OpenTechnical

OT-2026-000061112

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off 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-2026-000061112) never changes.

Identity and time

Publication numberOT-2026-000061112 · never reused
Internal UUID01a0ae8b-137e-7d7e-9303-9027423c738d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061112
StatusPUBLIC

Content hashes

Canonical text4b3a8371d22f6682b8a53f583aa5a2fdb4fce1267129e91a40fdd67e7c55fbc5
Markdown63f20a881ac0290699b4ddffadce79ec5d260cdf959a59df22c15fa0d1fa4dc9
PDF
Publication page018b43926fdb5a56e676bcbb1b87ec5cacbd4fe241d4cf1486378ad896b25189
Manifest35f81592b4a736f3d47c80952d5463f944016e47a2b5ff5847487dc8c191d278

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
SignaturekP2vYLC9eAnIJwA2JSFyKwDSXft6AkIzeEtgwkFLUHspvM+/cL+r5vzCC8wZL+tKgUsqRUQSYqIbsGnKP8PdDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:29.064698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061112
observed 018b43926fdb5a56e676bcbb1b87ec5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:29.047078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061112/manifest.json
observed 35f81592b4a736f3d47c80952d5463f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:29.029391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061112/publication.md
observed 63f20a881ac0290699b4ddffadce79ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:29.011797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061112/publication.txt
observed 4b3a8371d22f6682b8a53f583aa5a2fd...
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.