OpenTechnical

OT-2026-000079641

Publication integrity record

Foam pad vacuum gripper, three zone face, three 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-2026-000079641) never changes.

Identity and time

Publication numberOT-2026-000079641 · never reused
Internal UUID01a0ae96-0b92-7106-86b3-b8678fece432 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079641
StatusPUBLIC

Content hashes

Canonical text71974a7246aa4c798ca084ad29365af0023a592186db54d728741de98e4bd930
Markdown1ebfbf28d34f5590b5bc0fa736b863d35a7f216ad1b85dcd4c14bd3c517862bc
PDF
Publication page35844ac72dc3db721ea942002b81c97fe5ea8793932f4545ca30c9d089685528
Manifest5f612469f51fc61a4fc72cca1d61d56be69ccf8166d9f854bfd10b6ca50618c4

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
Signature2iMlhN6kJJBGdrgdOhPLTJkUxhnU5smAtjz1hcneHWBCRrqYVjPc/yuag3NubttEftOl52feNhPOKe5ijkEmAA==
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

2026-09-17T10:05:18.501020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079641
observed 35844ac72dc3db721ea942002b81c97f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:18.483643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079641/manifest.json
observed 5f612469f51fc61a4fc72cca1d61d56b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:18.464750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079641/publication.md
observed 1ebfbf28d34f5590b5bc0fa736b863d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:18.447502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079641/publication.txt
observed 71974a7246aa4c798ca084ad29365af0...
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.