OpenTechnical

OT-2026-000007868

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, vented 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-2026-000007868) never changes.

Identity and time

Publication numberOT-2026-000007868 · never reused
Internal UUID01a0ae6a-908a-7534-8c70-40db50cfdcb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007868
StatusPUBLIC

Content hashes

Canonical text5dd1a272ca1ffbf30803aee23f14acdc93f8140fc10f316e723148898d4c3aec
Markdown46029c62ed7a3939af3bb0f069d7331a0051bba3f6c67f78621eb72cdce0bd64
PDF
Publication paged874f18cb844edc029b4237c3f62bfde9a8f9c1125537dbe53632851905401c2
Manifestd5c17cbce1088bb7eb4195c5a5320ea9f460279218e3de720e38e9de55099246

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
SignatureXTHvgyPO6vi2VJD/zmiXELv2jcRXKCtdxNi7p1F8rvhQMsuyTTXUAO3nzj5uSCehhX2buwCSm4VlTvinq84fDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:19.256652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007868
observed d874f18cb844edc029b4237c3f62bfde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.237563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007868/manifest.json
observed d5c17cbce1088bb7eb4195c5a5320ea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.218612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007868/publication.md
observed 46029c62ed7a3939af3bb0f069d7331a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.200202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007868/publication.txt
observed 5dd1a272ca1ffbf30803aee23f14acdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.182611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007868
observed d874f18cb844edc029b4237c3f62bfde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.163414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007868/manifest.json
observed d5c17cbce1088bb7eb4195c5a5320ea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.142223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007868/publication.md
observed 46029c62ed7a3939af3bb0f069d7331a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.116271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007868/publication.txt
observed 5dd1a272ca1ffbf30803aee23f14acdc...
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.