OpenTechnical

OT-2026-000084991

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000084991) never changes.

Identity and time

Publication numberOT-2026-000084991 · never reused
Internal UUID01a0ae99-43b7-71d0-a965-f0673dccec61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084991
StatusPUBLIC

Content hashes

Canonical textb94e99fa41982d5e2ceb38f5299d5d370bab924ad85f64e8a60b9c7998ff3a7a
Markdownfca8ff944b4e5cecdd59209b6b72347a264a527b7e85a5bbfb408e68634fb96c
PDF
Publication page23b164b27e1650f5a0eb4419f4f4e0abf15808625d14a8611f344aff25eed74c
Manifest8492443a954ae7d638df08043a4c5daf86f23ada457fa6beebbfe2fb31200de3

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
SignatureDtAOPXnfqGxWC/Ftux6UL57JQjuwvHKI4Y0WOngfPjz3XRF4Gx22B2vb4MGRCMJoPPCuqQiFMjwvv/HnxkXCBQ==
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

2026-09-17T09:54:59.585871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084991
observed 23b164b27e1650f5a0eb4419f4f4e0ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:59.569087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084991/manifest.json
observed 8492443a954ae7d638df08043a4c5daf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:59.553524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084991/publication.md
observed fca8ff944b4e5cecdd59209b6b72347a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:59.536890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084991/publication.txt
observed b94e99fa41982d5e2ceb38f5299d5d37...
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.