OpenTechnical

OT-2026-000078590

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, vented after 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-2026-000078590) never changes.

Identity and time

Publication numberOT-2026-000078590 · never reused
Internal UUID01a0ae95-7c29-7a9f-b7c7-ea6dbe5e7a1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078590
StatusPUBLIC

Content hashes

Canonical textda77cfdcba7392c42a91b7004db7fcba2c1470b5603dd0206bf34e086bcfd330
Markdown92447a9ef72d705c2ad92d4a591a0715855a74d2b95d48691e33e8944ee50b0c
PDF
Publication page3b3c23c8ba84dd42dc1e758c34333de1b83c9137491a7bcd8d6a896327dc6c13
Manifestd38dfb5d6e0d3276acea5efdcff1e3cad2513d7082443656d0c84de8b3c902bf

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
SignatureVTxJ12A4iCTVxPEde2Dp8kvO93h2NG3Tvcu85yubj7XSC8GwDVBlbkC98lv0of5jGwI+jVmWVXD21UvI9q8mCQ==
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

2026-09-17T10:06:37.121308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078590
observed 3b3c23c8ba84dd42dc1e758c34333de1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.100346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078590/manifest.json
observed d38dfb5d6e0d3276acea5efdcff1e3ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.080159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078590/publication.md
observed 92447a9ef72d705c2ad92d4a591a0715...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.061516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078590/publication.txt
observed da77cfdcba7392c42a91b7004db7fcba...
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.