OpenTechnical

OT-2026-000102742

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, pulsed 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-2026-000102742) never changes.

Identity and time

Publication numberOT-2026-000102742 · never reused
Internal UUID01a0aea4-858c-76a3-adbd-a7a65e96f3fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102742
StatusPUBLIC

Content hashes

Canonical text20e1c858a0f0dfeb57023b12093f638beeff1ba93990dbd398cedaecf9910f0f
Markdown3836b08caf1ba5c67e87a8fb25f2b2c28fdc61d31e24f6b1697fd72492be7cd2
PDF
Publication page0fe70dbe51e9b533a74174a744ab0101bbcbc9c171a9d15f825f9cdc5503a02d
Manifest499b02825bad2694b901cafcae8824c8731c845137a08ca2332703db1e807c68

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
Signatures0Z5oNZ+GzfG/E5pnXdf8o85rVxlBMMiKmDszF11R80egUgQbOSxmeo73YXTd9akAgIf86FfcnDVhZMGjjuiAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:15.677999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102742
observed 0fe70dbe51e9b533a74174a744ab0101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:15.661108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102742/manifest.json
observed 499b02825bad2694b901cafcae8824c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:15.642447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102742/publication.md
observed 3836b08caf1ba5c67e87a8fb25f2b2c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:15.626003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102742/publication.txt
observed 20e1c858a0f0dfeb57023b12093f638b...
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.