OpenTechnical

OT-2026-000052968

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000052968) never changes.

Identity and time

Publication numberOT-2026-000052968 · never reused
Internal UUID01a0ae84-a430-7556-8b76-3968c2f6e2b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052968
StatusPUBLIC

Content hashes

Canonical texteed99a97ac0322daefa055a3183477f3cbc4c2145929045e7351401b8d8d37e2
Markdown2290035307d3a60e888c0dac1ced7451568966db6d7f12d3fbcb2e88757ab506
PDF
Publication page703fc35b1a89a8b0b38cfadd5ed1abc3b5a3bc3eea92a8dd87ffb93862ac5f97
Manifestdec32506f49944e4742216e2b773a467da23684637b14dd0eb75d7181ea17809

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
Signature3jtXLJcNTQbftshPNW4QOTzGFIQlAf0S8esWcHdlwXQyzoXpBL11z6HiHrB8AJLDr89zRaT5R4k7BCOR0zL5AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:39.230709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052968
observed 703fc35b1a89a8b0b38cfadd5ed1abc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:39.213260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052968/manifest.json
observed dec32506f49944e4742216e2b773a467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:39.196073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052968/publication.md
observed 2290035307d3a60e888c0dac1ced7451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:39.178789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052968/publication.txt
observed eed99a97ac0322daefa055a3183477f3...
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.