OpenTechnical

OT-2026-000070680

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, vented before set-down

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-2026-000070680) never changes.

Identity and time

Publication numberOT-2026-000070680 · never reused
Internal UUID01a0ae91-8c2c-7344-a81d-7581150c11e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070680
StatusPUBLIC

Content hashes

Canonical text9eeb147ea2b7e31402162fc7282bd2964d63925f04c9ad1f4e0d4b426c648920
Markdown02f70736f3b7035c355b2f7a0154fed1a645c21bbd2fcdd4b9d159b483c8b747
PDF
Publication page228fb75f6054d43b8e50918dd9b240f5017aeb7f7af140460a65b5b3f757a7fa
Manifest546df88f59e69ee5534f1b4682aa247f894405d29f48faa6c522a9773e142154

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
Signature4m5twaelXPjtpG+MN7UyeUWbogROvgRcxPQif2oG5CKqJtKraQofcpjuVoPKXgsN8l+YRCzehCsZyMH8cWWoCw==
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

2026-10-27T00:42:07.367108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070680
observed 228fb75f6054d43b8e50918dd9b240f5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-27T00:42:07.287402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070680/manifest.json
observed 546df88f59e69ee5534f1b4682aa247f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-27T00:42:07.210486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070680/publication.md
observed 02f70736f3b7035c355b2f7a0154fed1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-27T00:42:07.062300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070680/publication.txt
observed 9eeb147ea2b7e31402162fc7282bd296...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:25:21.561567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070680
observed 228fb75f6054d43b8e50918dd9b240f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:21.544412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070680/manifest.json
observed 546df88f59e69ee5534f1b4682aa247f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:21.527993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070680/publication.md
observed 02f70736f3b7035c355b2f7a0154fed1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:21.511439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070680/publication.txt
observed 9eeb147ea2b7e31402162fc7282bd296...
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