OpenTechnical

OT-2026-000088167

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000088167) never changes.

Identity and time

Publication numberOT-2026-000088167 · never reused
Internal UUID01a0ae9b-1aa8-7ad2-940a-693a5e788fa1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088167
StatusPUBLIC

Content hashes

Canonical text1573abaeedef6739bbad6f16339b6af1e6930027aabdd0392a897ca107d82318
Markdown1ccd68059ff027d3616b5ca00e946692df736d14962299871b9e5c829f7f44a6
PDF
Publication pageb26a0ff65e2600f68b4303e9b28d7e0d94acfdf055d41a28b2c6294382c42b08
Manifest9f0b4fb20b06435e4eef07a121ffb2485877902709c1fcfed4b503b045e9a1c4

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
Signature3AACRyFFcs+N8Su3kiwxz47nywMPAH6hxFfAxrkb6MfBYcnj0K6uQRZG70j7EOUMmKLuX6jYxdkEpcakaVcwAQ==
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

2026-09-17T09:50:12.702062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088167
observed b26a0ff65e2600f68b4303e9b28d7e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.681706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088167/manifest.json
observed 9f0b4fb20b06435e4eef07a121ffb248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.659593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088167/publication.md
observed 1ccd68059ff027d3616b5ca00e946692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.640653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088167/publication.txt
observed 1573abaeedef6739bbad6f16339b6af1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.067641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088167
observed b26a0ff65e2600f68b4303e9b28d7e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.050802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088167/manifest.json
observed 9f0b4fb20b06435e4eef07a121ffb248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.012418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088167/publication.md
observed 1ccd68059ff027d3616b5ca00e946692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.995467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088167/publication.txt
observed 1573abaeedef6739bbad6f16339b6af1...
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.