OpenTechnical

OT-2026-000043746

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, sustained blow-off 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-2026-000043746) never changes.

Identity and time

Publication numberOT-2026-000043746 · never reused
Internal UUID01a0ae7b-d676-73b8-991a-ca5d9debb707 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043746
StatusPUBLIC

Content hashes

Canonical textaf6ed23edc085faf4b09dbc2069f8b6a5429749e49dc321c446aeb37b5982435
Markdown2ec99cae211a213931ba70ea0800f492d50e4b93877e1dac5f8d6a61ab3ce734
PDF
Publication page8437022ce264d670ad6e5572fd452d174e76dab6c67395d376980c4e11dc7153
Manifestd9994818d84797eb96f204277b33fbf813fb53e27de897cbbef80b87974c7cc8

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
Signature6wsF4Qr+mImX72tc99K/015KKISQOF6PpekGoh1DAw5YTjxHHiGnLDFTD5moknopCjRVfhfpNfnclFZjHUAaDw==
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

2026-09-17T11:12:01.575836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043746
observed 8437022ce264d670ad6e5572fd452d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:01.557495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043746/manifest.json
observed d9994818d84797eb96f204277b33fbf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:01.540165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043746/publication.md
observed 2ec99cae211a213931ba70ea0800f492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:01.520864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043746/publication.txt
observed af6ed23edc085faf4b09dbc2069f8b6a...
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.