OpenTechnical

OT-2026-000070153

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, supply line pressure sensor, pulsed 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-2026-000070153) never changes.

Identity and time

Publication numberOT-2026-000070153 · never reused
Internal UUID01a0ae91-1862-7d29-ab78-e0c305d92fff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070153
StatusPUBLIC

Content hashes

Canonical text9c418bb7586c2a58e45ec5310e01a07b53c0ff2602edc379dc425e594550a4a8
Markdown07cc969b8bddeea31bd0a76678ae03471ac592e26d8c3706b980d61e9979fcd1
PDF
Publication pageab2fbeea37880fc12887f02c7e1a9707ca4064c42e7decfcecbc86070e528a38
Manifest9756e1c62e91e59b069e18d0b0360320d947f5b5a5e631392528c0204940dbce

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
Signaturecmul+zSSYAbtFIIFDBbSx0OA8pgaw8CV49xGCzvR5NJ1+Q1Hq3C8o4GElzUTPamx/pQAVPX+ly4gT0G5WJ3TDg==
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

2026-09-17T10:27:12.019120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070153
observed ab2fbeea37880fc12887f02c7e1a9707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:12.002771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070153/manifest.json
observed 9756e1c62e91e59b069e18d0b0360320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.985755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070153/publication.md
observed 07cc969b8bddeea31bd0a76678ae0347...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.968332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070153/publication.txt
observed 9c418bb7586c2a58e45ec5310e01a07b...
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.