OpenTechnical

OT-2026-000101214

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000101214) never changes.

Identity and time

Publication numberOT-2026-000101214 · never reused
Internal UUID01a0aea3-c378-76df-94ab-6cbaa5b277a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101214
StatusPUBLIC

Content hashes

Canonical textc226ea9358ab0841a4e639efbad5b28e425f0593077b53095944e59e4353ad2e
Markdownc6f236857a685e64aba3f34ef770ec8b58dcabe4b6b1d0dabcf67195dcdb501e
PDF
Publication page6d915726fd13d61dba243c4eec0bfdfdb159f8f50e0585422d5460496737de48
Manifestcfa99bc6f00261e462b4e2f189d3116d8562259a60f83d3c5aaa4adc0fece20c

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
SignatureiQ1ygGqxCZMHo8plasAsFsgauQpxTIv6LeRtOeFoi3Os/O1Wed9i9TCQxIT1Xc9y3C+CR2SAvjOpOwnNtKakDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:52.105136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101214
observed 6d915726fd13d61dba243c4eec0bfdfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:52.086645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101214/manifest.json
observed cfa99bc6f00261e462b4e2f189d3116d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:52.066685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101214/publication.md
observed c6f236857a685e64aba3f34ef770ec8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:52.048202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101214/publication.txt
observed c226ea9358ab0841a4e639efbad5b28e...
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.