OpenTechnical

OT-2026-000077164

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000077164) never changes.

Identity and time

Publication numberOT-2026-000077164 · never reused
Internal UUID01a0ae94-f507-70c9-b3c8-43bdf3842bce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077164
StatusPUBLIC

Content hashes

Canonical textd554da6d52926b3a8da59378f05f42a127dd050584b6b615740ef2c3577513cd
Markdown499b7c36540eb187122456daf2f86a594b9fb0beecb52f28921d6915ffb992c5
PDF
Publication page265fa701c75c1e681515c9e6cbe8f090b941249c8688293ca9255abdef477a14
Manifest6c8917c7bc1373e3de624702a1bc63430cbcf1cc63a406576aa9694e7b3d6f3b

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
SignatureFNOKBg0idjukaM4uHAkscIOJ+vxDxKCeoj+40qARXkSGAQF7dN4w29AtWNerc6k/LtI0YA5y5fALh3MCjDc2DQ==
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

2026-09-17T10:11:50.192222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077164
observed 265fa701c75c1e681515c9e6cbe8f090...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:49.294966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077164/manifest.json
observed 6c8917c7bc1373e3de624702a1bc6343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:49.270972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077164/publication.md
observed 499b7c36540eb187122456daf2f86a59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:49.246604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077164/publication.txt
observed d554da6d52926b3a8da59378f05f42a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:38.106811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077164
observed 265fa701c75c1e681515c9e6cbe8f090...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:38.087076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077164/manifest.json
observed 6c8917c7bc1373e3de624702a1bc6343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:38.067718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077164/publication.md
observed 499b7c36540eb187122456daf2f86a59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:38.049676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077164/publication.txt
observed d554da6d52926b3a8da59378f05f42a1...
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.