OpenTechnical

OT-2026-000085985

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, sustained blow-off before 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-2026-000085985) never changes.

Identity and time

Publication numberOT-2026-000085985 · never reused
Internal UUID01a0ae99-e82a-7cd5-a5c4-5b6f7b38be92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085985
StatusPUBLIC

Content hashes

Canonical text3e627b0b4f839c5e9c50ef96f77d09c24461b3ebfe1ef2e7f87f5f6e39e7dd18
Markdown3e70070ddbddc5db85f4e717fcbfa030bed58f930f53f65471f56080d3de0dfb
PDF
Publication page8d5d1f27a3a42446bcb1b6f982600f48477b3b917ed2e772bd4d8be23afa0c85
Manifest04d0878e2cec75959a604ec3417b3a9d86624ea854976729c221ef559b361b2f

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
SignatureCiKoiYYjl+l29vf1ez5I5aEqCvYS2dPJVbr0tDkBRzg28pPtpH1jTIEPfDbSUuGpqyRZyJ4K97E6ipHNmMeYDQ==
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

2026-09-17T09:52:57.872714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085985
observed 8d5d1f27a3a42446bcb1b6f982600f48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:57.853314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085985/manifest.json
observed 04d0878e2cec75959a604ec3417b3a9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:57.835640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085985/publication.md
observed 3e70070ddbddc5db85f4e717fcbfa030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:57.808596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085985/publication.txt
observed 3e627b0b4f839c5e9c50ef96f77d09c2...
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.