OpenTechnical

OT-2026-000083727

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, sustained 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-2026-000083727) never changes.

Identity and time

Publication numberOT-2026-000083727 · never reused
Internal UUID01a0ae98-0417-7449-b042-736a4dd7a51f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083727
StatusPUBLIC

Content hashes

Canonical textc1fcac7dc3d4d18b10ec57b1367d5710d33a7fe06d4eee531e2c9583b0d96ee8
Markdownf00dfa47e1c4b0995ddc25847f2ff61e8253fca9db7ca231df82cb48d32e512c
PDF
Publication page8c346c7ad0c43b822bfb240f2333777fd5eb6cce3503fbcdb7bc215af5be79e3
Manifestb87dd8883643a88ff26d004bb260f277dac68a8d6f9a72d53ca12aa2a5866e14

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
SignaturebtNotzz8prJx/itV2P2I2mQ+LJBXDbJJMHCgbwcihcETqrZnOavtl4CKoZnbsZmSr5Rqu6Pt7zYDAevz3ILCBw==
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

2026-09-17T09:57:21.640937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083727
observed 8c346c7ad0c43b822bfb240f2333777f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.624640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083727/manifest.json
observed b87dd8883643a88ff26d004bb260f277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.608420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083727/publication.md
observed f00dfa47e1c4b0995ddc25847f2ff61e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.591692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083727/publication.txt
observed c1fcac7dc3d4d18b10ec57b1367d5710...
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.