OpenTechnical

OT-2026-000080613

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000080613) never changes.

Identity and time

Publication numberOT-2026-000080613 · never reused
Internal UUID01a0ae96-7e79-79fe-b040-8a4782a3b48d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080613
StatusPUBLIC

Content hashes

Canonical text2e99b30d2533d0d8c10a05fbdf502b07973d22686de26dc365c0c669785d894e
Markdown0830491acd8627b50806b1dc6791b08fb98d7f79554b22f88ff58867708fbb08
PDF
Publication pagecc9be23c8775f8b0d45420fd06f54b6daf29cc6e72833eaa013aba5feb50622b
Manifest52999685a8dfae6a8b1799b92fca4899e34453566ac2b1ddea4a187c4badd966

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
SignatureK2IoM2HNosFvZNxMnZqRD12CrNnbbWTEdY01WNJzYlyKWPIV9yFo+hOU3//2wm+SDrPFNV7AwBFx3D5OhPd6Cg==
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

2026-09-17T10:03:15.155488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080613
observed cc9be23c8775f8b0d45420fd06f54b6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.137245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080613/manifest.json
observed 52999685a8dfae6a8b1799b92fca4899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.120232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080613/publication.md
observed 0830491acd8627b50806b1dc6791b08f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.102742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080613/publication.txt
observed 2e99b30d2533d0d8c10a05fbdf502b07...
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.