OpenTechnical

OT-2026-000102102

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000102102) never changes.

Identity and time

Publication numberOT-2026-000102102 · never reused
Internal UUID01a0aea4-50f2-7ab4-8791-d049d7b3c6fe · 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-2026-000102102
StatusPUBLIC

Content hashes

Canonical textfac4c705c54a05da234c61002308226d964668dceb8ebecbb591f5dda6a09935
Markdowndd33552bc9e52e503cb207fdd70aa9697fd2c4ab92eebe97c10792839a6bd223
PDF
Publication pageea84d2cca48088c9c68a8627e8db9767b3d98a6a04fc0aeb4e5923673af2e974
Manifestbcfe4af16c8feaff41ddb6a546c31ffbf06e41aede64235117fed851300484a0

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
SignatureXwXMuwztqdVSkQZ4J3Nrewdb1zcHbXJ59iilRDAxIa3dHMeNkMY00n4JrB51kZsuEXeojL5KMku1UYSyyY2WDg==
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

2026-09-17T09:25:15.092303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102102
observed ea84d2cca48088c9c68a8627e8db9767...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:15.072617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102102/manifest.json
observed bcfe4af16c8feaff41ddb6a546c31ffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:15.054232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102102/publication.md
observed dd33552bc9e52e503cb207fdd70aa969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:15.034740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102102/publication.txt
observed fac4c705c54a05da234c61002308226d...
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.