OpenTechnical

OT-2026-000004965

Publication integrity record

Vacuum cup gripper, per zone isolation, two stage ejector, pulsed blow off after set down

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-2026-000004965) never changes.

Identity and time

Publication numberOT-2026-000004965 · never reused
Internal UUID01a0a929-6acd-785c-bcc1-c1d86db818ac · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:40:58.960120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004965
StatusPUBLIC

Content hashes

Canonical text1e2eee9bcdc6b63ec3351f99d8dd3f2e3c47050a010a84c40e471d9e9afb8dba
Markdown464801964a176400428347b34a15f6d61f2b16093a69662895106534e31baa6c
PDF
Publication page42c35d8313ad9726f1ef34036c13e50cb275f88aa780a0fe765d0f86c6be3201
Manifest1801d741eb6a69625473dd378e8f88901b094cfe5fedb2a957b36ac3427537f1

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
Signaturewl/OXwrv24hYkdV20UxdL7SAuOnr24YJqiU/G2ay43jWF//ca5dAcKELh9wfK77qwleo+8HST70ANgjIpNyHAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:30.156828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004965
observed 42c35d8313ad9726f1ef34036c13e50c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:30.145045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004965/manifest.json
observed 1801d741eb6a69625473dd378e8f8890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:30.131543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004965/publication.md
observed 464801964a176400428347b34a15f6d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:29.994880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004965/publication.txt
observed 1e2eee9bcdc6b63ec3351f99d8dd3f2e...
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.