OpenTechnical

OT-2026-000070272

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000070272) never changes.

Identity and time

Publication numberOT-2026-000070272 · never reused
Internal UUID01a0ae91-545e-7dcf-99fb-e75ab20ab5a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070272
StatusPUBLIC

Content hashes

Canonical textee968fb99965ab6b246f043dc043462bd176181a75465044d1cd5ec57b7aedd6
Markdown09da6708a9c7b3c27b9eabdc1c30df7092896fb99ca4b7a314e3af6a3548ae0a
PDF
Publication page41ff4200c64d403f8bfc778fdcd5f084cffa1c176a7c9f2bca6f4a6018900caa
Manifest0d684945aafe69c7878910c8e0d07b79f0f28197528f127b0b3e64249c311550

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
Signaturej3q4b/+Zj52bE3BdMlTOBCs1j9W8vl2TJc4mOwaWp+Jjf2CPwBiTZXVmWvPcDnAG8TUHIDh4NduK8N8aCYp5DQ==
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

2026-09-17T10:26:03.242032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070272
observed 41ff4200c64d403f8bfc778fdcd5f084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:03.225938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070272/manifest.json
observed 0d684945aafe69c7878910c8e0d07b79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:03.209320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070272/publication.md
observed 09da6708a9c7b3c27b9eabdc1c30df70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:03.192287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070272/publication.txt
observed ee968fb99965ab6b246f043dc043462b...
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.