OpenTechnical

OT-2026-000005993

Publication integrity record

Porous face vacuum gripper, per zone isolation, three stage ejector, contact triggered

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-2026-000005993) never changes.

Identity and time

Publication numberOT-2026-000005993 · never reused
Internal UUID01a0a94b-9d97-7f18-839d-1641bdfbdfc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:18:20.186232Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005993
StatusPUBLIC

Content hashes

Canonical text26236d7f5acfd763111fb15296f356a4afa10863839283b1ebaf8f437fae8ffb
Markdown8083fb1b7ee4e16238eb2db97a6257cbd321fe42d2d469bfb3ab4f5a9271a832
PDF
Publication pagea0ec9ae3427bba223ac1cdbee33f11799324920a679698063d39cfe8ab45d986
Manifestc0f6e09bc641bb124b34e315f43f372c94603ac85d0d6e927d54f5ecc2785c1a

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
Signaturekq+1QlpD9gMyhlHKQMP2PwvPP6YNGq72H8NDIfox5Otu01+Y9HROY4Byyfg60i8PVMEwv0VTnqiJNXjganhPBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:08.382028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005993
observed a0ec9ae3427bba223ac1cdbee33f1179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:08.235902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005993/manifest.json
observed c0f6e09bc641bb124b34e315f43f372c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:08.212736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005993/publication.md
observed 8083fb1b7ee4e16238eb2db97a6257cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:08.193529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005993/publication.txt
observed 26236d7f5acfd763111fb15296f356a4...
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.