OpenTechnical

OT-2026-000062303

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000062303) never changes.

Identity and time

Publication numberOT-2026-000062303 · never reused
Internal UUID01a0ae8c-0abe-7a09-bea7-d8298577a48c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062303
StatusPUBLIC

Content hashes

Canonical text0e9c41d65cabd9a0d53d2795f6865df912ae93133646eba491a72a9b3917eca9
Markdown0434f167ad71587dad48bdad31bd09db8f4c043fe6ac4c39f4b28c7511fcae6a
PDF
Publication page742de0c26726fbeb823afd6fe7e482302fcba13a63f6e80e5f2c8bf7044f5d28
Manifest029b24c9bbf5791ca7ee4f91f0dc54e21eecc6612184fec2d7493a414241940f

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
SignaturefX4rDdH1h6+jEw8n5zh8KRYP8iC6Abo2oXeH6GSsJ6rxBpV847l8h18EtDI1Vh/Ep5euHqCpEzYjRdaX5lUqBg==
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

2026-09-21T04:43:59.232764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062303
observed 742de0c26726fbeb823afd6fe7e48230...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T04:43:58.960134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062303/manifest.json
observed 029b24c9bbf5791ca7ee4f91f0dc54e2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T04:43:58.733269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062303/publication.md
observed 0434f167ad71587dad48bdad31bd09db...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T04:43:58.148186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062303/publication.txt
observed 0e9c41d65cabd9a0d53d2795f6865df9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T20:41:36.463083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062303
observed 742de0c26726fbeb823afd6fe7e48230...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T20:41:36.323723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062303/manifest.json
observed 029b24c9bbf5791ca7ee4f91f0dc54e2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T20:41:36.088501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062303/publication.md
observed 0434f167ad71587dad48bdad31bd09db...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T20:41:35.666806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062303/publication.txt
observed 0e9c41d65cabd9a0d53d2795f6865df9...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent