OpenTechnical

OT-2026-000068915

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000068915) never changes.

Identity and time

Publication numberOT-2026-000068915 · never reused
Internal UUID01a0ae90-6dcc-760a-9f66-cdc17045f721 · 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-2026-000068915
StatusPUBLIC

Content hashes

Canonical text9988c981d2bd065764ce3ac7d90621caa6393df718379b1e14166f1b8dbdadd8
Markdown859e2dcd1ada8d733be3ac26e78a5aff7c2d3b17994a81e0111b4da775dd0e54
PDF
Publication pagead4024f1b5b0b955c33f48aab35f773b581cd9ff4d92baa8941c33ad74e35c09
Manifest3dc360349d428f82bf4250ff634c378574acbf591ea0331fe3bd945cbf0bca05

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
SignatureB9aVTkwCQ3kpGyNtDCCHRUKS+wxxfrf0gK3PWYoVhuG2StAq9MF5WDs8bSlMSzxw8JT7awL8w65EDODxuzBiCw==
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

2026-09-27T12:41:23.683649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068915
observed ad4024f1b5b0b955c33f48aab35f773b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T12:41:23.578439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068915/manifest.json
observed 3dc360349d428f82bf4250ff634c3785...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T12:41:23.469791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068915/publication.md
observed 859e2dcd1ada8d733be3ac26e78a5aff...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T12:41:23.332970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068915/publication.txt
observed 9988c981d2bd065764ce3ac7d90621ca...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:28:44.459442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068915
observed ad4024f1b5b0b955c33f48aab35f773b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:44.441227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068915/manifest.json
observed 3dc360349d428f82bf4250ff634c3785...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:44.415284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068915/publication.md
observed 859e2dcd1ada8d733be3ac26e78a5aff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:44.397037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068915/publication.txt
observed 9988c981d2bd065764ce3ac7d90621ca...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent