OpenTechnical

OT-2026-000027271

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum 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-2026-000027271) never changes.

Identity and time

Publication numberOT-2026-000027271 · never reused
Internal UUID01a0ae72-6996-7a62-abf6-bc4334b14bed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027271
StatusPUBLIC

Content hashes

Canonical text22ca5076be75dfb40d4095fb56c81a1a5ca1a4b8d98ac6966127a7aaaf6c97da
Markdown337e8795ca0fb8fececfec5e9a703d4f9d7586bfb455dbf4183ba034ad6244ce
PDF
Publication pagee640622315b5368cd5d22da28dd5afd020c5ed0e7c191d15b5dc9d2d367fddf5
Manifeste2fb424e35727775f9c42adf7e9f422d30fa632a044b815a49cb0418f290684b

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
SignatureGaGd5ttPOFT1AysOEjANO8/bpGJM1lXQbZcPgXlnO9ssl2vPB3w3vfIkp4YsYZZON5vNrmiNM0Lg0Vb1H+v0Bw==
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

2026-09-17T11:42:39.293399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027271
observed e640622315b5368cd5d22da28dd5afd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.273151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027271/manifest.json
observed e2fb424e35727775f9c42adf7e9f422d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.249890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027271/publication.md
observed 337e8795ca0fb8fececfec5e9a703d4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.229764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027271/publication.txt
observed 22ca5076be75dfb40d4095fb56c81a1a...
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.