OpenTechnical

OT-2026-000008206

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, vented after 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-2026-000008206) never changes.

Identity and time

Publication numberOT-2026-000008206 · never reused
Internal UUID01a0ae6a-908c-7525-b604-90388c022167 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008206
StatusPUBLIC

Content hashes

Canonical text2af69b81a77e7aa4721ab42df5398728002b304f15f6d416eebc4684638ef35d
Markdown8ff9f8b03271fadfe4002104b4aa498bc8bb1e67c9e7449aaf66415ec566c6aa
PDF
Publication page52ed2f4f98ffb3fc9219e32bc1b5de6c0f9dd026a421c0b328f9afa6d57a91d8
Manifest51c1fdab24350c4aaf9ff7d673db5414a5bd68e5052b555b2cdd6597e6002db8

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
Signature1m2ZqxBQk/oodvA8IuKR2YbuJFyijRJwWyzBg2ERHFa/6e50Sk8/SHlsjbldahhGLvOTLML2Sc7vqYkPqDfVBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:36.871825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008206
observed 52ed2f4f98ffb3fc9219e32bc1b5de6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:36.852122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008206/manifest.json
observed 51c1fdab24350c4aaf9ff7d673db5414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:36.835947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008206/publication.md
observed 8ff9f8b03271fadfe4002104b4aa498b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:36.816857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008206/publication.txt
observed 2af69b81a77e7aa4721ab42df5398728...
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.