OpenTechnical

OT-2026-000087350

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, sustained 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-2026-000087350) never changes.

Identity and time

Publication numberOT-2026-000087350 · never reused
Internal UUID01a0ae9a-cd4f-7200-b0a0-70f766cbb59c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087350
StatusPUBLIC

Content hashes

Canonical textb9823c81ebc346158cdfc881a3d74dfb963c488d04d48907d4912c8dde9d9e01
Markdowne8e9c5f847373dadcbffa2400f4cf6bde3a181c19e02278c8fe2d8e92c09a08b
PDF
Publication pagebe873c87bc70f99ef300fe514ae3d562b6bcff435a48553ba1045f7cd6ab8215
Manifest306aaba9aa27ec6fc14820c0739c3b1656515724e5cef03d4c909d45be96972c

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
SignatureMC3vJX+Eb2taMXKF2HgxVBPTCuZobdYU9TVVdPj4YLzpsbKQRurX19IE56WeLcSleJ8B1yHCNDNoJCd0bewZDQ==
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

2026-09-17T09:50:31.434395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087350
observed be873c87bc70f99ef300fe514ae3d562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:31.434081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087350
observed be873c87bc70f99ef300fe514ae3d562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:31.417677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087350/manifest.json
observed 306aaba9aa27ec6fc14820c0739c3b16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:31.416857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087350/manifest.json
observed 306aaba9aa27ec6fc14820c0739c3b16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:31.399447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087350/publication.md
observed e8e9c5f847373dadcbffa2400f4cf6bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:31.399207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087350/publication.md
observed e8e9c5f847373dadcbffa2400f4cf6bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:31.381677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087350/publication.txt
observed b9823c81ebc346158cdfc881a3d74dfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:31.380220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087350/publication.txt
observed b9823c81ebc346158cdfc881a3d74dfb...
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.