OpenTechnical

OT-2026-000064542

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, 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-2026-000064542) never changes.

Identity and time

Publication numberOT-2026-000064542 · never reused
Internal UUID01a0ae8d-a462-7437-be34-cf50d7a2f57c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064542
StatusPUBLIC

Content hashes

Canonical text7a459d5f5afe51cde2c7d38ff51ccda53552625d3e0102767569badb56f84dca
Markdown0abdef7aaf1c82170738801d651775a3fb18b9c77829c6d791d805a422d48d92
PDF
Publication pagedb91397196124c7c58f34503eaa96000f03f8d4e5eaa5a26c049d5775938ce3c
Manifest3ce651fdf7cb6fb075ac99d588c57ada469c69097f6d220868f09814c4b2d4b1

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
SignatureA9mKl2NvCxZE+DV2e/b3Gpy/g0sk42Y1UG4sLra7Ep41ajBXFEmuIUSzRjcaqWh+ctm8roZXgd4/MI+QUfDWDA==
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

2026-09-17T10:36:45.558795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064542
observed db91397196124c7c58f34503eaa96000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:45.541448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064542/manifest.json
observed 3ce651fdf7cb6fb075ac99d588c57ada...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:45.522204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064542/publication.md
observed 0abdef7aaf1c82170738801d651775a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:45.505121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064542/publication.txt
observed 7a459d5f5afe51cde2c7d38ff51ccda5...
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.