OpenTechnical

OT-2026-000006526

Publication integrity record

Vacuum cup gripper, two zone face, per zone isolation, two stage ejector, polyurethane cups

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-2026-000006526) never changes.

Identity and time

Publication numberOT-2026-000006526 · never reused
Internal UUID01a0a95e-49f1-7c04-bd44-8e752a781175 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:38:43.956573Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006526
StatusPUBLIC

Content hashes

Canonical text6773ce0239a06c5f771db23562777c0f633c600986d8dad74b8d9115e5e5683a
Markdown324cb49ef222450b909d6dcb3d2983508bacccfe6c4d774fd2a46c8b60a52769
PDF
Publication page85fbda87078db239bae4a794cf41918c4b8ee6cf021e8865d6df8a970f0b2f03
Manifestad394718fd4bd863c5cc15adbdcbc9b29177cc8df5948dc2f5b486b09aa1cb14

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
SignatureTS4cTsc6wcGfOE+rgXzcEtCjChRltFCuo9iyaIgt2HxjG1AfpIbLBpeTA02epqaIZLeySUsBzI5/VDKwJ75gDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:07.148523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006526
observed 85fbda87078db239bae4a794cf41918c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:07.132233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006526/manifest.json
observed ad394718fd4bd863c5cc15adbdcbc9b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:06.993422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006526/publication.md
observed 324cb49ef222450b909d6dcb3d298350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:06.978421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006526/publication.txt
observed 6773ce0239a06c5f771db23562777c0f...
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.