OpenTechnical

OT-2026-000033807

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000033807) never changes.

Identity and time

Publication numberOT-2026-000033807 · never reused
Internal UUID01a0ae75-a391-755d-bcd1-5af40f25fbbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033807
StatusPUBLIC

Content hashes

Canonical text2b2cd787ec17d915c12ef9e87ef428b1462121fbf24362f71425bddcded4f836
Markdownddc75f56aecf1d1960ee3c366370b18c2a6e66cdbd2164e39793fcf65ae66e76
PDF
Publication pagee36ea181c860a21989ee06361b73141a544508893711e6ae780c309ff09cbec7
Manifest47899eae0cff1c79f390c146d5c5dd503f9e5fe9209bcf7f4fbb335d827d3908

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
Signaturewz0/szu78kmbQ5SNWYD+yFT7hq4Bcy3Q51XZbShPGdxYJhqYZVJ6KtFTxb14c8CEefMbLLRRsAbsH1yDRSgLCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:31:51.122272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033807
observed e36ea181c860a21989ee06361b73141a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:51.105621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033807/manifest.json
observed 47899eae0cff1c79f390c146d5c5dd50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:51.086132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033807/publication.md
observed ddc75f56aecf1d1960ee3c366370b18c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:51.069737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033807/publication.txt
observed 2b2cd787ec17d915c12ef9e87ef428b1...
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.