OpenTechnical

OT-2026-000006728

Publication integrity record

Bellows cup vacuum gripper, three outlet manifold, pump fed, pressure verified, vented before set down

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-2026-000006728) never changes.

Identity and time

Publication numberOT-2026-000006728 · never reused
Internal UUID01a0a965-5ab2-7da8-92b5-808cdd57a2b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:46:26.997440Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006728
StatusPUBLIC

Content hashes

Canonical textc294c7f50c839db51de9b7f80f441287fa7fccbe15fb27b590ea721ba7e7df64
Markdownbd54e6d95487a0291dcd7eec1a7c872eb5e2ba7fdd8a0ff4cbf3f9efa2be8c12
PDF
Publication page483131b266fadd03c4b8f87c90db78e21ebba2032dafe71d3c5c924fee139a91
Manifest6a6d6a774a659a96b1cffb113cf4fb87c320a48551f91e24ea7cbf10b5d8bf53

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
SignaturelZ3MIxuU4inGVChwv6ev8r7PcFsRR3Clf7y6cAk4Ttipv//s/34g9ccSWhvFzandlI/tYsBlseWBpAtolyF7DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:12.753918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006728
observed 483131b266fadd03c4b8f87c90db78e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:12.739202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006728/manifest.json
observed 6a6d6a774a659a96b1cffb113cf4fb87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:12.727273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006728/publication.md
observed bd54e6d95487a0291dcd7eec1a7c872e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:12.713251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006728/publication.txt
observed c294c7f50c839db51de9b7f80f441287...
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.