OpenTechnical

OT-2026-000071982

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, vented 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-2026-000071982) never changes.

Identity and time

Publication numberOT-2026-000071982 · never reused
Internal UUID01a0ae92-47c0-75f8-b3b2-a40868e9559d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071982
StatusPUBLIC

Content hashes

Canonical text986d165c2cfc6c847c14f3143b98f8abe4e63b7812b472e74c2083b7bac95fbd
Markdowncae1914dece0c02e813f74580b5c99563195d34621585f3376a77db8bf9bfeb3
PDF
Publication pagedc1e678670112606d22785980484f5c36e7fd7c79f2bd17bf16ea563290aa196
Manifestd28f52df447550976d4d175db796f8a00a93360f86690939d081402ba3b0f4b9

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
SignatureWyfLvT5Q6CEe002F+m5YDZYMAwKK9AdLhp1LjmErPkuRFl2QBWCF2XmXKUL+284MT20Wt2j+juG4SlgIt46ZCQ==
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

2026-09-17T10:23:02.086054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071982
observed dc1e678670112606d22785980484f5c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:02.068065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071982/manifest.json
observed d28f52df447550976d4d175db796f8a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:02.050809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071982/publication.md
observed cae1914dece0c02e813f74580b5c9956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:02.033861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071982/publication.txt
observed 986d165c2cfc6c847c14f3143b98f8ab...
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.