OpenTechnical

OT-2026-000006659

Publication integrity record

Bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, plastic cups

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-2026-000006659) never changes.

Identity and time

Publication numberOT-2026-000006659 · never reused
Internal UUID01a0a962-fc49-7f2c-8130-7d89cf277492 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:43:51.876495Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006659
StatusPUBLIC

Content hashes

Canonical texta83efc783c0045f1159379a8caecc483ca6d337da7dcfbf8bde5363ee61f79f8
Markdownd46e69c128ad63235d935790aa29c7fcbb07979fdd5f725245566e41e80e24d5
PDF
Publication page8f98e1315715fc8530e4a3e9200e0c13204d56f0483ef8fafd968793534fa39f
Manifest95a7cb3a826d6ab5cab26b94f924d0b5d949b3daac2376ce151ba18936f6f724

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
Signature3SO/NF7yetPV3SIX+Ex2GR2ZJoFN66T1RZCsHRlGj1o2F6PYMk1UHNRuQEi9s1vMxs/hgd0HEe0/6ic7GqrMCw==
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

2026-09-16T08:50:20.244009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006659
observed 8f98e1315715fc8530e4a3e9200e0c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:20.230614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006659/manifest.json
observed 95a7cb3a826d6ab5cab26b94f924d0b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:20.218769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006659/publication.md
observed d46e69c128ad63235d935790aa29c7fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:20.204800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006659/publication.txt
observed a83efc783c0045f1159379a8caecc483...
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.