OpenTechnical

OT-2026-000057019

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line 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-2026-000057019) never changes.

Identity and time

Publication numberOT-2026-000057019 · never reused
Internal UUID01a0ae87-d5b6-7bf2-9601-e486ca992f17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057019
StatusPUBLIC

Content hashes

Canonical textaadcbddb73329e4ec95bd250d2a69e29e444d159d75ed0119f216590293c9573
Markdownf6acc813e54f206bbaa31c09cf4a0b7096503a6bc80a539c907274ecc15970af
PDF
Publication page8ea1750b01735bf520a3fb31952a2b1c8b2f01bd09d4fc7891fa5c7f3e87bc58
Manifest144701fce05c9282056a69a672a52337cd69cd6f9307a9f4f79fc666842a13d6

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
Signature6y5joUxKjl7/wk53IA8dSmCYCrZ1MfeHxj/Xjwn7N99BoTVJIcJrpM4mUCGrqWKEql/mdK2yJ9S7N3X82TbGBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:29.749347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057019
observed 8ea1750b01735bf520a3fb31952a2b1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:29.729416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057019/manifest.json
observed 144701fce05c9282056a69a672a52337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:29.707860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057019/publication.md
observed f6acc813e54f206bbaa31c09cf4a0b70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:29.688927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057019/publication.txt
observed aadcbddb73329e4ec95bd250d2a69e29...
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.