OpenTechnical

OT-2026-000089017

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000089017) never changes.

Identity and time

Publication numberOT-2026-000089017 · never reused
Internal UUID01a0ae9b-8f12-7e35-941b-b9f4b81b0f2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089017
StatusPUBLIC

Content hashes

Canonical text6a37b908b055ee2ab82a10b1e108ba2457a5ea4d4add69bc9875b70847e1cbeb
Markdown5731504eb65b817f28e64d4b50f2c10e078ba2e89ff43ba71c37029c646cd91b
PDF
Publication page1eddbb74a7d39df13a5b4968d5230ab876a94391df5e4844ac616a5960d64c90
Manifest2d5faf8483fbe424a6ec26cfc058fa7f78241990ed0cef45936e9bc0492c200b

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
SignaturefwOCPpqRiZXS6eFP8h5m/9gH951VEVzYT5g/kboQd1J192eWsc+Ml4WFEQQcOK6MEMBzv+iKl0EgNjKCWklkBg==
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

2026-09-17T09:48:31.393765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089017
observed 1eddbb74a7d39df13a5b4968d5230ab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:31.375905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089017/manifest.json
observed 2d5faf8483fbe424a6ec26cfc058fa7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:31.357731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089017/publication.md
observed 5731504eb65b817f28e64d4b50f2c10e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:31.340085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089017/publication.txt
observed 6a37b908b055ee2ab82a10b1e108ba24...
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.