OpenTechnical

OT-2026-000101870

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pulsed 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-2026-000101870) never changes.

Identity and time

Publication numberOT-2026-000101870 · never reused
Internal UUID01a0aea4-50f0-7774-bef0-a6a2e24c5aaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101870
StatusPUBLIC

Content hashes

Canonical text389defeae2205d65c8f0a1f4993cc89add35bda0cef20def22e35d666004e3aa
Markdown22dde8c926faeb95d8c7cb1075d88b32d05a924101d2e40c924a2be50ec667b5
PDF
Publication page7bc42b7d25caf8201c9f73c3e5505cc5ecd1b2cb00c45664613a5b8bdefba6d7
Manifest980595b6fe6fe044e63414ae1b247f72561c69ec174cfdb1ad6449518114a8e0

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
SignaturezwkT9UDSny5BvOKE7RW7AMbdG5fGzEqNs3zCEWLi1tuSu8vz78SFoUAjj9i97QKinZyzdVDZy//QcqBRwxJLCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:26.164434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101870
observed 7bc42b7d25caf8201c9f73c3e5505cc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:26.146295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101870/manifest.json
observed 980595b6fe6fe044e63414ae1b247f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:26.126444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101870/publication.md
observed 22dde8c926faeb95d8c7cb1075d88b32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:26.108010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101870/publication.txt
observed 389defeae2205d65c8f0a1f4993cc89a...
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.