OpenTechnical

OT-2026-000086054

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, sustained blow-off before set-down

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-2026-000086054) never changes.

Identity and time

Publication numberOT-2026-000086054 · never reused
Internal UUID01a0ae99-e82b-7abd-bf0a-266abfd956a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086054
StatusPUBLIC

Content hashes

Canonical text52ffab27342207b4e0b1bb0232d3ccb0e8d9a1dbe6cb5d5f65cd9ed2db1fc924
Markdown4a0d3bcd62b4b996854a5a77d044add96cd9ab55c19081fdd778953a06b47479
PDF
Publication page8d52b66e6b8acef3e677f46b485084d4b52f6dad727c0cca68cfe8d1b6b0054c
Manifestafafc85b51d24e3d014988245eb24cbe6060ac143979eeb9dad35eac9f8cfc00

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
SignaturePhYO2N3Xb2mFgHiNBIVn8MucdNPAUrln06FDZrovzD+YxFgG6iF2TFRvtMNVxe/NBaKvPdM7w0e+r2rjS07AAQ==
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

2026-09-17T09:53:02.992566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086054
observed 8d52b66e6b8acef3e677f46b485084d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:02.974968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086054/manifest.json
observed afafc85b51d24e3d014988245eb24cbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:02.957411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086054/publication.md
observed 4a0d3bcd62b4b996854a5a77d044add9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:02.938837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086054/publication.txt
observed 52ffab27342207b4e0b1bb0232d3ccb0...
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.