OpenTechnical

OT-2026-000101575

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum 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-2026-000101575) never changes.

Identity and time

Publication numberOT-2026-000101575 · never reused
Internal UUID01a0aea4-0e15-7c5b-abeb-a7b1017a0ec4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101575
StatusPUBLIC

Content hashes

Canonical textb619e073f864e596d5948d0601a4bd767461f1ae69b350bb234bbb92eed87ab8
Markdownaa3fc5b77ce7e91adb042d5bd473cc3c976c543f75e350b146dee21df1936bbb
PDF
Publication pagee8b7b982079568d23a986f315b2df25717ac09236c5956b7bc007bdf1a6a8cca
Manifestf1d5700d2f15a1e42a115477c6c18a4cc61323d90c2ff52bd1c6bbf065b25de6

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
SignatureqaXWJWPD8Vt7kBiU5VLLL6W+2fdLnycOfigRi2zS3mHWFledpO8hAP0njfBoLp3UxjIsvwrE8rQ7wDPDT21eCw==
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

2026-09-17T09:25:39.713380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101575
observed e8b7b982079568d23a986f315b2df257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:39.695959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101575/manifest.json
observed f1d5700d2f15a1e42a115477c6c18a4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:39.678678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101575/publication.md
observed aa3fc5b77ce7e91adb042d5bd473cc3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:39.662118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101575/publication.txt
observed b619e073f864e596d5948d0601a4bd76...
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.