OpenTechnical

OT-2026-000077038

Publication integrity record

Single bellows cup vacuum gripper, two 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-2026-000077038) never changes.

Identity and time

Publication numberOT-2026-000077038 · never reused
Internal UUID01a0ae94-b071-7be2-8b5e-c2ac88d490eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077038
StatusPUBLIC

Content hashes

Canonical textd8eba9f3b571ccd6adfceebcbffec29aaee9822cca10a9de740ead309f5c1993
Markdown292a08af8ac98f90b76af8dc35367b4c50c54e0fbafedfca2936c4aaf7f08d26
PDF
Publication pagec642906e50ca7d264b7696892fbc021af74f0eba6df078110c0a8f831645d203
Manifestdcf2958406398ed99178f7a55b18137c657627ca0dd28b8035ebd74a7e41c320

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
SignatureBhcZMzTUhmRkFPLPHwBjvLCVb661heSBxDFhqA3LmguGNeiEtMxWssL/Oe+lgtb1zn7oIPDJYYqZBNadWoFpBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:10:28.000439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077038
observed c642906e50ca7d264b7696892fbc021a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:27.982958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077038/manifest.json
observed dcf2958406398ed99178f7a55b18137c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:27.965812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077038/publication.md
observed 292a08af8ac98f90b76af8dc35367b4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:27.946698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077038/publication.txt
observed d8eba9f3b571ccd6adfceebcbffec29a...
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.