OpenTechnical

OT-2026-000061456

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000061456) never changes.

Identity and time

Publication numberOT-2026-000061456 · never reused
Internal UUID01a0ae8b-7b43-7d3c-b060-01f466398541 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061456
StatusPUBLIC

Content hashes

Canonical text4645a0807a52ba94fe88e6f0d2c467b3094b31edd35eb37bec3aa85aca6afc65
Markdown1106ce7a37a70e769a129ec4c5d21b3cf70802fed4490841a213e3f5a0831343
PDF
Publication pagebf875728dee4ca3392746db8cf37857b9891b8b6765e8b6f3e3f4d2bbac414f3
Manifestb45194e7016f3b12e24594f7301e3c95aabcd310084aace4cbf67f134bd3f163

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
Signature9rSHjoSQHNXsDfktBibbp6UZlWYqKgjdQpHcYNtaIsVEBFDtN2ZNrxjnr/7dfAsIrjhzEgFS/g8MimcN8ji8BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:20.340090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061456
observed bf875728dee4ca3392746db8cf37857b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:20.322842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061456/manifest.json
observed b45194e7016f3b12e24594f7301e3c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:20.306603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061456/publication.md
observed 1106ce7a37a70e769a129ec4c5d21b3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:20.288783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061456/publication.txt
observed 4645a0807a52ba94fe88e6f0d2c467b3...
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.