OpenTechnical

OT-2026-000086876

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four 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-2026-000086876) never changes.

Identity and time

Publication numberOT-2026-000086876 · never reused
Internal UUID01a0ae9a-80a4-751c-8633-5ae094588782 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086876
StatusPUBLIC

Content hashes

Canonical text8fb4eafdef011c41b308dd231f5a5b30794c69a50b50c628d0fa41bdbe7c90d8
Markdown9d9a1a00254503a75f5de3ccf42fd899435abdd19c9df0664d0adc1ddca709ed
PDF
Publication page4e545a206e47337fd91981c469f1f1aa30d41727dd472bd0a60d8e7897715bfd
Manifestb64334de53fb2432740b37ecc09dbaedf99871a8ac9cd68f938080aaeade5635

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
SignatureqDpLpKExwjaeNT5z1ZM9rvZJ/jsh3rsLwamvNUG+HpXasG+WkOawODT97buSynkuGYez9SHQ3Eajkpzfr7f7BA==
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

2026-09-17T09:51:43.233159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086876
observed 4e545a206e47337fd91981c469f1f1aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:43.214742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086876/manifest.json
observed b64334de53fb2432740b37ecc09dbaed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:43.197698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086876/publication.md
observed 9d9a1a00254503a75f5de3ccf42fd899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:43.178622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086876/publication.txt
observed 8fb4eafdef011c41b308dd231f5a5b30...
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.