OpenTechnical

OT-2026-000068911

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000068911) never changes.

Identity and time

Publication numberOT-2026-000068911 · never reused
Internal UUID01a0ae90-6dcc-72b5-970d-6b9c5a0401fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068911
StatusPUBLIC

Content hashes

Canonical textc3aa4fe5ffcb38bf5d97e43b71efae0d353795f16c96268a1616110c00f16cd4
Markdown125b49813036203d4faae43d0f47eb193eac8cdbd154995616fff917bd709468
PDF
Publication page578433e2639e17da80f6c14260b4b53029e11ff7174c2e0f86ebb1ff14ce6f7a
Manifest2bb963d74b547fe3ee32b0390979038137edbbd23c7f4017c2143f6478f9029b

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
SignaturezMqWayf8BkY17iGJsxsjkF+Gh4V9+Crkk8FAwlpJmGIsna6TBwwu9K9f6Md7PDObfCKAKMHiaKKMcHduqkyACQ==
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

2026-09-17T10:28:44.154414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068911
observed 578433e2639e17da80f6c14260b4b530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:44.138161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068911/manifest.json
observed 2bb963d74b547fe3ee32b03909790381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:44.121543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068911/publication.md
observed 125b49813036203d4faae43d0f47eb19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:44.104717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068911/publication.txt
observed c3aa4fe5ffcb38bf5d97e43b71efae0d...
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.