OpenTechnical

OT-2026-000073680

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000073680) never changes.

Identity and time

Publication numberOT-2026-000073680 · never reused
Internal UUID01a0ae93-2b8c-7491-8243-5ebeee936fbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073680
StatusPUBLIC

Content hashes

Canonical text76872fa7e9dd51ba4a75b0844473dac29187058368e136875fec5b1d4c2ed71b
Markdown7494f4d08943ba029f922e191484922b64f1025de447b59facd7452f22fd82b9
PDF
Publication paged5db467b2cfc969c4d92f2a56a235ebbb00b11c0f66fa8b4e6ce4ebadb6ae4b1
Manifestfc54ecfb91cdc4d5b179c6ac4167ec0cf54afab7e07abdc20c96b485a4ae0d1e

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
Signatures3PzPcBz8vWE99dtPlxOcbwoyFhP0LHVEWAJsIileXsJmX2TGOXRjuoFfM8tCttDl7VwmnKN05LbuarFdTwDDw==
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

2026-09-17T10:19:44.367463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073680
observed d5db467b2cfc969c4d92f2a56a235ebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.348772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073680/manifest.json
observed fc54ecfb91cdc4d5b179c6ac4167ec0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.329100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073680/publication.md
observed 7494f4d08943ba029f922e191484922b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.311921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073680/publication.txt
observed 76872fa7e9dd51ba4a75b0844473dac2...
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.