OpenTechnical

OT-2026-000071348

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000071348) never changes.

Identity and time

Publication numberOT-2026-000071348 · never reused
Internal UUID01a0ae91-e0ed-776f-bda8-23bb6e0a78df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071348
StatusPUBLIC

Content hashes

Canonical textefff6cce39f7e376abc419a9b0e9c346ba6aa4c2b31afcc63de25f3d0237e2c4
Markdown4a7544a1988f201fb253b9f9f35ec72a4355bd6919f4cfe3047c8a04e806c576
PDF
Publication page33111dfca2f2246f16f1e564c0874b12299383c6161d686f0549fc7dae81d4f8
Manifest1bdfb9e5dde2abc5a6009788dfce0ed9b30239a24f952f18300df1abe4b6d3dd

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
Signature0/HyaZwOJkU7r9HZKArLomph2W72GkmCc+6c4iphArK4WtW1v5r5RE/ALutkZhd7LjTA7q/mnez7mnxXqLshBA==
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

2026-09-17T10:24:57.161576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071348
observed 33111dfca2f2246f16f1e564c0874b12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.145920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071348/manifest.json
observed 1bdfb9e5dde2abc5a6009788dfce0ed9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.128304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071348/publication.md
observed 4a7544a1988f201fb253b9f9f35ec72a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.112325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071348/publication.txt
observed efff6cce39f7e376abc419a9b0e9c346...
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.