OpenTechnical

OT-2026-000062457

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000062457) never changes.

Identity and time

Publication numberOT-2026-000062457 · never reused
Internal UUID01a0ae8c-0ac0-789e-a551-70449d99fa7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062457
StatusPUBLIC

Content hashes

Canonical text2578f0954b16e96b0826fa5db46d70a2e30385c534f87c7367357a851f7c888f
Markdown737ec0e0ecff0d00da96fa4e152ca532c87583577bd53d43ee52d534149251bd
PDF
Publication page5643940417f8373fd6a066bd33ebdcd5e48a1dc2865fc627761b115cca8c19ef
Manifest6cfe74f931012d1a050c81e09c153cd4314ea4511a2b110bf6ed79593ebead51

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
SignatureTfofSLj8n6Llsnjgk65DtGTQtVreaPzrLrvNTGV2cogMpsygW4xedC+CMVU4pSys94A5WeRsuc5EMk+kBedyCA==
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

2026-09-17T10:39:48.278793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062457
observed 5643940417f8373fd6a066bd33ebdcd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:48.258820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062457/manifest.json
observed 6cfe74f931012d1a050c81e09c153cd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:48.239514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062457/publication.md
observed 737ec0e0ecff0d00da96fa4e152ca532...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:48.219290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062457/publication.txt
observed 2578f0954b16e96b0826fa5db46d70a2...
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.