OpenTechnical

OT-2026-000089140

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000089140) never changes.

Identity and time

Publication numberOT-2026-000089140 · never reused
Internal UUID01a0ae9b-db00-7e75-81bf-c202903fa62f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089140
StatusPUBLIC

Content hashes

Canonical texta99ba62e1dcb0bf3745e2dff95d5f3b8ff6d3d90ec5d1eba84c626f7cffa6d47
Markdowncde1e673b7f54d31821453e8f17295f5c41fca93ed7a0fd03f599cb591245b40
PDF
Publication page9e533092b2cfca04173a4c1c018b588bbe4d7598f1bd49e1c5483d37ac1b460c
Manifest9e05bbd76e3bfb2f8f09820e61c8be45b23c8a6cd9ce882bbf2c39a1c1cdf1c0

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
SignaturemNSTBHaT53n2br95Ny06KgCoEPCG4M+4KV9mlBCVLpvaInM8+Vw8M/wprvuSGp37XKtVpqTo3+xOOepdrv24Bw==
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

2026-09-17T09:47:03.549718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089140
observed 9e533092b2cfca04173a4c1c018b588b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.532841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089140/manifest.json
observed 9e05bbd76e3bfb2f8f09820e61c8be45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.515718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089140/publication.md
observed cde1e673b7f54d31821453e8f17295f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.497877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089140/publication.txt
observed a99ba62e1dcb0bf3745e2dff95d5f3b8...
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.