OpenTechnical

OT-2026-000030375

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000030375) never changes.

Identity and time

Publication numberOT-2026-000030375 · never reused
Internal UUID01a0ae73-e501-738a-8ecd-249b68fc8f70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030375
StatusPUBLIC

Content hashes

Canonical textb8b890aa3ad18d94c7aec1285554651f1b812b23cb5101b962c0f137448a3cbd
Markdown697af5d2755f4274b404363483c80cdccdebc4ff18b4c24ddb13393ba5b23f2a
PDF
Publication pageb4af7d009607b80b1ebafbed2a90c94c84fc3cb75faef66d3418e4252e4faf59
Manifestc088ab5dd008f94925bbd57e909edc9350db387b76f813c9c27d116d75809e0a

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
SignaturekDzoKZDpaRTsQ8CF7udtTOMnLLxKrDasrtlsQ8wXQwNHyfV//8hLTzYxduHWxMDUONHeeahvEFN0Uso0P4eyCA==
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

2026-09-17T11:38:05.137486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030375
observed b4af7d009607b80b1ebafbed2a90c94c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:05.118851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030375/manifest.json
observed c088ab5dd008f94925bbd57e909edc93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:05.099099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030375/publication.md
observed 697af5d2755f4274b404363483c80cdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:05.081005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030375/publication.txt
observed b8b890aa3ad18d94c7aec1285554651f...
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.