OpenTechnical

OT-2026-000069802

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three 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-2026-000069802) never changes.

Identity and time

Publication numberOT-2026-000069802 · never reused
Internal UUID01a0ae91-185f-7d3b-991c-63f8b5d5c84d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069802
StatusPUBLIC

Content hashes

Canonical texte39d5e53845885ee71d74e641e2633b2ab439bf6b07720d8a750b74e3192fcc0
Markdown669f372596062f7364f6b396a8407c166bb96b1cec8f23f79384d8fecc9b395a
PDF
Publication paged9f186a83a4f0572d31fe85b721f35a8252a4a958baf5d98a1b1b4eb475f4b0e
Manifest0a92d9c61643e04e961ffb947a3ebda73d3b7271f9552bb30ee3dbde24d5170b

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
SignatureuuxgyFq4+nMztlefqaGDgGkh/QJ1detVnfCNgsM4dyYfb3Al4Ht/l+KXHEoQkiLD27U+cSEaWvIaHOBj9LW2CQ==
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

2026-09-17T10:26:38.046637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069802
observed d9f186a83a4f0572d31fe85b721f35a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:38.027043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069802/manifest.json
observed 0a92d9c61643e04e961ffb947a3ebda7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:38.007757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069802/publication.md
observed 669f372596062f7364f6b396a8407c16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:37.988795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069802/publication.txt
observed e39d5e53845885ee71d74e641e2633b2...
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.