OpenTechnical

OT-2026-000078567

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000078567) never changes.

Identity and time

Publication numberOT-2026-000078567 · never reused
Internal UUID01a0ae95-7c29-7a3f-856a-ccfe25e1258c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078567
StatusPUBLIC

Content hashes

Canonical text41047154c5e042ff51e94cc3fb9c0c9433bf80ceaf2a559a48889d3ea862d99c
Markdown9ef3d753fde64a0a8b750fe8ab253f70fb21bf37bcd9b8c67d246276feb7fc21
PDF
Publication pagefbb7b23752cfda6ca0a904bc89e0d4eb5269a9154cb07ea76835b43885a61de1
Manifest9c7bfa23be3addda0b6976f45178ec9c1e6839e618a38afab5aa9a65b534c09e

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
Signature0HftWdpdShHzJTVOj2QAi20EoErRB7IaQtR4277Zc3fWPhEKHi9crsWChspoVGabAw1s6EkIh9qAgJACsYkkCQ==
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

2026-09-17T10:06:35.474152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078567
observed fbb7b23752cfda6ca0a904bc89e0d4eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:35.455287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078567/manifest.json
observed 9c7bfa23be3addda0b6976f45178ec9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:35.434816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078567/publication.md
observed 9ef3d753fde64a0a8b750fe8ab253f70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:35.416229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078567/publication.txt
observed 41047154c5e042ff51e94cc3fb9c0c94...
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.