OpenTechnical

OT-2026-000079221

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000079221) never changes.

Identity and time

Publication numberOT-2026-000079221 · never reused
Internal UUID01a0ae96-0b8f-7562-9d4d-ccafff18ef4c · 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-2026-000079221
StatusPUBLIC

Content hashes

Canonical text1a1b587805b9d2ba4dda623cfa2045f42353d534461958031fd1c0142b80c440
Markdown263eb69f131c1463a5b7002733a205a8f6d8833c79bf5f36a25a2da7b1d95570
PDF
Publication page8e7c776c4d3e33ead5abb83032f103312a3eb1c29ed9485ec5d4c18564a63fce
Manifestd14b5f14c7d711e5b170b0774f0d27eacecfddca61a5dca805f5087739d07209

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
SignatureDDNeaYCSy1kxlyzfFNXtW/BTV//fyV7mtpKBLoSzhsODGeCLwUnniW3R1TpEI6Y+ngAkQhrxToCBFaSyERxRAA==
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

2026-09-17T10:04:48.805432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079221
observed 8e7c776c4d3e33ead5abb83032f10331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:48.788183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079221/manifest.json
observed d14b5f14c7d711e5b170b0774f0d27ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:48.772518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079221/publication.md
observed 263eb69f131c1463a5b7002733a205a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:48.754811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079221/publication.txt
observed 1a1b587805b9d2ba4dda623cfa2045f4...
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.