OpenTechnical

OT-2026-000101881

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pulsed blow-off after 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-2026-000101881) never changes.

Identity and time

Publication numberOT-2026-000101881 · never reused
Internal UUID01a0aea4-50f0-737d-b4ae-30cc7c43bb7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101881
StatusPUBLIC

Content hashes

Canonical text1829746eddcc749376670b5c8fea02307861341a8cb175ebf8bf809509ddaf7b
Markdownf20948d05df7aa359ea65df06e18ca90cab0aa545f03186c4877fc808e605de4
PDF
Publication pagec0821ee7b24b0d2cf94575ac36058753ecf61e7f3de3ac3772c5a62a417e6486
Manifest88532cf4830d4a51b49fdf3cec955c90d789a2e62cdc426401f4eaaf45748b6e

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
Signaturemr3f2j5uAmYbhlMhgTx0uBy9CnqEc2e7AycUx9mtzrtQGSrcZy5ex3YVv6pcpKIbSM26FNmlwxj4xkej1WdvAg==
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

2026-09-17T09:24:29.318242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101881
observed c0821ee7b24b0d2cf94575ac36058753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:29.264792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101881/manifest.json
observed 88532cf4830d4a51b49fdf3cec955c90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:29.239739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101881/publication.md
observed f20948d05df7aa359ea65df06e18ca90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:29.221237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101881/publication.txt
observed 1829746eddcc749376670b5c8fea0230...
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.