OpenTechnical

OT-2026-000011520

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold 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-2026-000011520) never changes.

Identity and time

Publication numberOT-2026-000011520 · never reused
Internal UUID01a0ae6c-88ff-71ce-8edb-071063ad8f0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011520
StatusPUBLIC

Content hashes

Canonical textedb5c61a8c531b48db4415074e52f51bda2d16811f7cd4fa20d28e2c09f7fd4c
Markdown3b2c5028970b5b8b83e44b20bc87a91ee97bd99395db22dd27a159c70e8ab3c6
PDF
Publication pagebe3f089d5669dd678eafc845a5f9368bc1e82622c9a69de8bee52b7743213b09
Manifest0432083256281071f135ad76e207791ca6827335c58fbdfa02911177b8843aa0

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
Signaturej46yTRmRBH+QXFvQu9uq1P0iq0pGUOzlWF/9mCfNlbPdKniFHFDwpOBi5xF/0D1eaSfFt1pvX+UC6gD5EdIgAw==
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

2026-09-17T12:13:18.387341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011520
observed be3f089d5669dd678eafc845a5f9368b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:18.368198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011520/manifest.json
observed 0432083256281071f135ad76e207791c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:18.350414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011520/publication.md
observed 3b2c5028970b5b8b83e44b20bc87a91e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:18.332924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011520/publication.txt
observed edb5c61a8c531b48db4415074e52f51b...
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.