OpenTechnical

OT-2026-000088280

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000088280) never changes.

Identity and time

Publication numberOT-2026-000088280 · never reused
Internal UUID01a0ae9b-5d26-7e28-a795-714f0d4eb59b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088280
StatusPUBLIC

Content hashes

Canonical text12ee174a9bed7d284885636c03510183dd0532c507a6080b8bd5d31192c4c7f9
Markdown1889eba9388a5a0dc50673001ec3a44c66ddfb30e595cf3c6b35a2c338a04e15
PDF
Publication paged7618fdcf70cce5336d5a57b94cef1d274f7a955e2ddb8453be160c65025fad3
Manifesta61012c387c40ce19f1fb7b4ed75a6070158f6689f10263f1837f6e895b43352

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
SignatureiM9lehu/UzaVF6IPhoxjRNpC8J91Uq1cYZVacLPSwlvSwuKvmPRA+b6rkc32LM8w8evSq0ZR9gwJJ5Klt9S2Cw==
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

2026-09-17T09:48:36.486469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088280
observed d7618fdcf70cce5336d5a57b94cef1d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:36.470308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088280/manifest.json
observed a61012c387c40ce19f1fb7b4ed75a607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:36.452143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088280/publication.md
observed 1889eba9388a5a0dc50673001ec3a44c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:36.433354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088280/publication.txt
observed 12ee174a9bed7d284885636c03510183...
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.