OpenTechnical

OT-2026-000101587

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump 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-2026-000101587) never changes.

Identity and time

Publication numberOT-2026-000101587 · never reused
Internal UUID01a0aea4-0e15-767a-add2-6491060927c6 · 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-2026-000101587
StatusPUBLIC

Content hashes

Canonical text6807b68dbf1a8c4abcf62d46eec6235610ddb4afba5f2b59471efa80530f7a5e
Markdown60908c47e07e726d67c2d19209d6c829de4be1abf4f5d47e27cd142434f39b0b
PDF
Publication pagebf333c7f2b7c2bce2022bf814e94466cd62c6816c912d7be0e58e334064e4219
Manifest87f097f83894dd864de909bffb05d08ffff4e3a4c743656762436ca9e74fe488

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
SignaturevDYk9hrrBlZS5nKOcak4vKLsO2TJROZ5NN8kd976/olOJuQr9fu7gwdcRcmLPiuTSY2LWwMjyUPH9vZKCWYGAA==
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

2026-09-17T09:25:41.521560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101587
observed bf333c7f2b7c2bce2022bf814e94466c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:41.503297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101587/manifest.json
observed 87f097f83894dd864de909bffb05d08f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:41.483711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101587/publication.md
observed 60908c47e07e726d67c2d19209d6c829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:41.465023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101587/publication.txt
observed 6807b68dbf1a8c4abcf62d46eec62356...
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.