OpenTechnical

OT-2026-000088978

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000088978) never changes.

Identity and time

Publication numberOT-2026-000088978 · never reused
Internal UUID01a0ae9b-8f11-7108-b502-7d099d9efef5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088978
StatusPUBLIC

Content hashes

Canonical text5bb91868798eeb4ee704dccad842de6f27f880906bb02809dedbc948c400ceb2
Markdown295d2be1351f420cfb99a8c79be2e3a6020567cf38ad74e96c36afa76d51b517
PDF
Publication paged75ed898abe1300620e761b08c5f24bb55b6dbe762948d91543a0d7d75fc25fc
Manifest3ae47d02867a2760e7d88feb81731e682903cebb4104df8e963d962995d60049

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
SignatureRInC6TDcOgCc6BPU1ym0P30Uyu/qYn99ED8mHxeeKZ7y1+Fu2UAnL/bkml1LNiB1GPETflSCwaA+TR6I3nJADw==
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

2026-09-17T09:48:28.414891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088978
observed d75ed898abe1300620e761b08c5f24bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:28.397206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088978/manifest.json
observed 3ae47d02867a2760e7d88feb81731e68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:28.378858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088978/publication.md
observed 295d2be1351f420cfb99a8c79be2e3a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:28.358786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088978/publication.txt
observed 5bb91868798eeb4ee704dccad842de6f...
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.