OpenTechnical

OT-2026-000006600

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000006600) never changes.

Identity and time

Publication numberOT-2026-000006600 · never reused
Internal UUID01a0a960-eaf1-70da-90f2-8fcb22a3d39f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:41:36.244306Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006600
StatusPUBLIC

Content hashes

Canonical textbd8e1bede38a7a7853ac88183f756367cae2305656cdc6f44075f49a31a135c0
Markdown4583a3ec29d32faf8af7696dae35164182ae069b4ab1f27b266139be55ca68ef
PDF
Publication page60ffbee81b8d85d5543b61b2ebedeb44c8d0574a997bee5600bd593f740d337b
Manifest0d07a124a477b9121257334ef6c438bbc14dcef0fac3e3c35abaeebf867b61c8

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
SignatureOJDM65vg+9dlCLGs42rX9DWuSfF3wKPAME489cCC8OLyjhQU/pQcUtLihx11yv6PyKw6wGQOsB78bQw02xY1BA==
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

2026-09-16T08:50:26.662604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006600
observed 60ffbee81b8d85d5543b61b2ebedeb44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:26.647686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006600/manifest.json
observed 0d07a124a477b9121257334ef6c438bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:26.634949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006600/publication.md
observed 4583a3ec29d32faf8af7696dae351641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:26.495492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006600/publication.txt
observed bd8e1bede38a7a7853ac88183f756367...
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.