OpenTechnical

OT-2026-000077027

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000077027) never changes.

Identity and time

Publication numberOT-2026-000077027 · never reused
Internal UUID01a0ae94-b071-7c16-acd0-8ef85698c050 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077027
StatusPUBLIC

Content hashes

Canonical text7ff3a1b990fa436dd5ef656814bd5927a7786c3e12da3db1a981d2f94fcbc255
Markdowna0dc2ef30592d5066b1494984044f3e9fe75b8019ac98b722411e8d398e7ded8
PDF
Publication pagedfa7c2f284c3b0babe23e80f7e12773aeed60a3f1406d52339de91c0d23b0be3
Manifesta7b5ce3965676b2b6bf95086ecbc8f66f059f90ecec90565f5bc89c6f8d86b44

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
SignatureBFpr/ojclmgtI4pUYJHf23EJIJ5G84cJW1zEsmsf1x3jpik25zVAfjwg3n7xfQiwd5o6leLjFD4qyG9opBvMBg==
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

2026-09-17T10:10:26.270371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077027
observed dfa7c2f284c3b0babe23e80f7e12773a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:26.247421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077027/manifest.json
observed a7b5ce3965676b2b6bf95086ecbc8f66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:26.227228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077027/publication.md
observed a0dc2ef30592d5066b1494984044f3e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:26.206731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077027/publication.txt
observed 7ff3a1b990fa436dd5ef656814bd5927...
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.