OpenTechnical

OT-2026-000069698

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, vented before 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-2026-000069698) never changes.

Identity and time

Publication numberOT-2026-000069698 · never reused
Internal UUID01a0ae90-b52c-733a-a4fc-92b5e5149121 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069698
StatusPUBLIC

Content hashes

Canonical text494529dda0368f8e552f71b1986cba28c938cf707ef1ef6a0a05e3c408ec480c
Markdown1a7f324550519ededff9a6ce93b74f4782bef5e9f051625bca2b3bfb2998429d
PDF
Publication page92ce7fde7cd3b9ec1e478b96a070b94ca96b7761298d710ccebb74b70e25abe3
Manifestd8eefd9256313812e0843663b1ca8c96182ffbe623d982b7c17df7591cd1b247

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
SignatureD2W7XMB8FCimBOI6ESlt/b5UUNJ5pXq5VWbqmbrK21mfTg4Ep5oUydBlS8csjX4YYyanPVCxNYGUGmdN26RXAg==
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

2026-09-17T10:28:22.371889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069698
observed 92ce7fde7cd3b9ec1e478b96a070b94c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:22.355394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069698/manifest.json
observed d8eefd9256313812e0843663b1ca8c96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:22.337666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069698/publication.md
observed 1a7f324550519ededff9a6ce93b74f47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:22.319963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069698/publication.txt
observed 494529dda0368f8e552f71b1986cba28...
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.