OpenTechnical

OT-2026-000068194

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line 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-2026-000068194) never changes.

Identity and time

Publication numberOT-2026-000068194 · never reused
Internal UUID01a0ae8f-c4ff-765b-84a9-d33966935bff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068194
StatusPUBLIC

Content hashes

Canonical text6a5dca1c16c0aa7acfd53616aedfe59d09370e918d37833aa167e77374221ea2
Markdownd588511da14f41341b8630ab01bb310977a3844f5704af23f7916c0fe633539e
PDF
Publication pagee27c4b112c424cd9aaf3ef6213b80a8e03cbd0855ad19efe7242c8bc46728d40
Manifestf0870634146e849adbccc2a1d05992673984ee66aa60332bd2d2b920ebbc3a99

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
Signaturezui9mv1BskXtlw85WR3SHc2wYIuDqr93rkvSlyXiRam+Qd4G0m8DnT+1NqFQIetTmsVvRvsBm7fJXcudBaB2CA==
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

2026-09-17T10:30:51.313955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068194
observed e27c4b112c424cd9aaf3ef6213b80a8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.296978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068194/manifest.json
observed f0870634146e849adbccc2a1d0599267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.279923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068194/publication.md
observed d588511da14f41341b8630ab01bb3109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.261920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068194/publication.txt
observed 6a5dca1c16c0aa7acfd53616aedfe59d...
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