OpenTechnical

OT-2026-000073348

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold 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-2026-000073348) never changes.

Identity and time

Publication numberOT-2026-000073348 · never reused
Internal UUID01a0ae92-efb7-7ed4-982a-f151705a15ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073348
StatusPUBLIC

Content hashes

Canonical texte30f0195cdea9109a9006ba6620efc06ef53125794eaec6b251d2870efc0303f
Markdown665aa82b906565d9eb9c7711e0d642d913029a47d1812e7e176aca9585a52017
PDF
Publication pagead260da52cf8481b3ab438de4827281196a6bf98e619cc23a7eff85436560a66
Manifest2ddda1981bd518abd613d8ffb824b22e4ddd7e7cd7492428fd56e7693b3e6b45

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
SignatureGnQDDcw4PRAFwZRwnadS3pp4yBQxOLlFiKM19mLeEBn5cZIY93Mj1MYKcUZpa3gsBMsNdDw8oWj0t1g7HQLmDA==
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

2026-09-17T10:21:22.329324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073348
observed ad260da52cf8481b3ab438de48272811...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:22.311828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073348/manifest.json
observed 2ddda1981bd518abd613d8ffb824b22e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:22.292876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073348/publication.md
observed 665aa82b906565d9eb9c7711e0d642d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:22.273892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073348/publication.txt
observed e30f0195cdea9109a9006ba6620efc06...
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.