OpenTechnical

OT-2026-000083487

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, sustained blow-off before 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-2026-000083487) never changes.

Identity and time

Publication numberOT-2026-000083487 · never reused
Internal UUID01a0ae97-c965-7ff8-9d50-c17baac4ee60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083487
StatusPUBLIC

Content hashes

Canonical text28b5a3b5c68140f0449cba2c0d72cd20a91a0fce06331d786248e64498969135
Markdown4bbd68591992ca34c2059c1fd68f4474843a99e5a4ef538f340aa60877684a92
PDF
Publication page6fb636b2b852cc856a2250a1b9bc2246bd354cd31d28dac451b042941d8f973b
Manifest0e63fa4419a5a45751afc7b6a14106442fc2c2c9cf906dc56524c1cb8dff7710

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
SignatureeBLQha+5dKNBOZtu6M0gNyReXWbd66t5cnsL6+0ZLHFDo5urCYT2ZWfghfdWDosmaYDi4TjQgdSoxM41hNx0Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:57:54.657901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083487
observed 6fb636b2b852cc856a2250a1b9bc2246...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.642850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083487/manifest.json
observed 0e63fa4419a5a45751afc7b6a1410644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.626286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083487/publication.md
observed 4bbd68591992ca34c2059c1fd68f4474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.609436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083487/publication.txt
observed 28b5a3b5c68140f0449cba2c0d72cd20...
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.